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Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996175 - Disclosure - Subsequent Events - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2021 Series B Senior Notes [Member] Two Thousand Twenty One Series B Senior Notes [Member] 2021 series B senior notes. Acquisition-related expenses Acquisition costs Business Combination, Acquisition-Related Cost, Expense U.S. Coast Guard ("USCG") [Member] United States Coast Guard [Member] United States coast guard. Business combination recognized identifiable assets acquired and liabilities assumed gross. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Gross Purchase price Underwritten Public Offering [Member] Forward Sales Agreement Forward Sales Agreement [Member] Forward sales agreement. Concentration Risk Type Concentration Risk Type [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Statement of Financial Position Location, Balance [Domain] Intangible liabilities, net Below Market Lease, Net [Abstract] Other Income [Member] Real Estate, Other [Member] Plan Name Plan Name [Axis] Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Interest Swap Rate at 3.70% Fixed Rate [Member] Interest Swap Rate At Three Point Seven Zero Percentage Fixed Rate [Member] Interest swap rate at three point seven zero percentage fixed rate. Class of Financing Receivable [Axis] Senior notes, issuance date Debt Instrument, Issuance Date Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Additional paid-in capital Additional Paid In Capital Under Exchange Of Operating Partnership Units For Common Stock Additional paid-in capital under exchange of operating partnership units for common stock. Cash Flow Hedging Cash Flow Hedging [Member] Common Stock, shares authorized Common Stock, Shares Authorized Share-Based Payment Arrangement, Tranche Three [Member] Performance Based LTIP Accounts Receivable, after Allowance for Credit Loss, Total Tenant accounts receivable Accounts Receivable, after Allowance for Credit Loss Total Exchange Of Common Units For Shares Of Common Stock Exchange of common units for shares of common stock. Product and Service Product and Service [Axis] Document Fiscal Period Focus Document Fiscal Period Focus JUD - Medford [Member] JUD - Medford. Interest Swap Rate at Three Point Eight Six Percentage Fixed Rate [Member] Interest swap rate at three point eight six percentage fixed rate. Interest Swap Rate at 3.86% Fixed Rate [Member] Loan, Interest Rate Debt Instrument, Interest Rate, Stated Percentage Interest rate Revenue from Contract with Customer [Abstract] Entity Shell Company Entity Shell Company Legal Entity of Counterparty, Type Legal Entity of Counterparty, Type [Axis] DC Capitol Plaza DHS Burlington And York Space Systems Greenwood Village [Member] DC Capitol Plaza DHS Burlington And York Space Systems Greenwood Village. DC Capitol Plaza, DHS Burlington and York Space Systems Greenwood Village [Member] Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and Cash Equivalent Amortization of unearned revenue Amortization Of Unearned Revenue Amortization of unearned revenue. Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Unrealized gain (loss) recognized in AOCI Operating Properties Acquired [Member] Operating Properties Acquired [Member] Operating properties acquired. Subsidiary, Sale of Stock [Line Items] O2025Q3 Dividends [Member] O2025Q3 Dividends. Q3 2025 [Member] U.S. General Services Administration [Member] U.S. General Services Administration. U.S. General Services Administration [Member] Common Stock, shares issued Common Stock, Shares, Issued Asset Class [Domain] Statement [Table] Statement [Table] Above Market Lease Amortization Income Next Twelve Months Above market lease amortization income next twelve months. 2027 2017 series B senior notes [Member] Two Thousand Seventeen Series B Senior Notes [Member] Two thousand seventeen series B senior notes. Construction loan agreement maximum lending capacity Construction loan agreement maximum lending capacity. Construction Loan Agreement Maximum Lending Capacity COVID-19 [Member] C O V I D19 Pandemic [Member] COVID-19 andemic Earnings Per Share Basic And Diluted [Line Items] Earnings Per Share Basic And Diluted [Line Items] Earnings per share basic and diluted. Above Market Lease Amortization Income Year Three Above market lease amortization income year three. 2029 Performance Condition Maximum Share Price Represents the maximum share price under performance based awards. Applicable price maximum Statement [Line Items] Statement [Line Items] Business Acquisition, Acquiree Business Combination [Domain] Unrealized Gain Loss On Treasury Locks And Interest Rate Swaps Unrealized gain loss on treasury locks and interest rate swaps. Unrealized (loss) income on treasury locks and interest rate swaps, net Unrealized gain income on treasury locks and interest rate swaps, net Entity Filer Category Entity Filer Category Initial recognition of liabilities related to operating lease right of use assets. Initial Recognition Of Liabilities Related To Operating Lease Right Of Use Assets Recognition of liabilities related to operating lease right-of-use assets Weighted average amortization period. Weighted Average Amortization Period Weighted average amortization period Total liabilities and equity Liabilities and Equity Debt Instrument [Line Items] Debt Instrument [Line Items] Notes Receivable [Member] Note Receivable Service based long term incentive plan. Service Based Long Term Incentive Plan [Member] Service-Based LTIP Non Rule 10b51 Arr Modified [Flag] Non rule 10b51 arr modified flag. Non-Rule 10b5-1 Arrangement Modified Building and improvements Investment Building and Building Improvements Schedule Of Real Estate Properties [Table] Real Estate Property, Ownership [Table] Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of aggregate principal outstanding under the Company's indebtedness and the corresponding estimate of fair value Hedging Relationship [Axis] Prepaid Expenses and Other Current Assets [Member] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Schedule of Effects of Our Interest Rate Derivatives on Our Consolidated Statements of Operations and Comprehensive Income (Loss) Derivative [Line Items] Derivative [Line Items] Development Properties [Member] Development Properties [Member] Development properties. Subsequent Event [Line Items] Two Thousand Twenty Five Series B Senior Notes [Member] 2025 Series B Senior Notes [Member] 2025 series B senior notes. Reimbursable rent and office expense due to related party Reimbursable Rent And Office Expense Due To Related Party Reimbursable rent and office expense due to related party. MedBase Venture [Member] Med Base Venture [Member] Med base venture. Contribution of Property Additions to properties accrued, not paid Geographical Geographical [Domain] Forward Sale Agreements [Member] Forward Sales Agreements [Member] Forward sales agreements. Proceeds from Sale, Property, Held-for-Sale Net proceeds from sale of operating property Additional paid-in capital Additional Paid in Capital, Common Stock Asset management service revenue Asset Management Service Revenue Amount recognized as asset management service revenue. Debt Issuance Costs, Net, Total Less: Total unamortized deferred financing fees Debt Issuance Costs, Net VaBirmingham VaMarietta and VaColumbus. VA Birmingham, VA Marietta and VA Columbus Loan, Current Maturity Debt Instrument Maturity Date Month And Year Debt instrument maturity date month and year. Construction loan maturity date. Construction Loan Maturity Date Construction loan maturity date Senior notes, interest rate Debt Instrument, Interest Rate During Period Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Terms of Award Equity incentive plan, terms of distribution Concentration Risk [Table] Concentration Risk [Table] Share Repurchase Program Share Repurchase Program [Axis] Unusual or Infrequent Item, or Both Unusual or Infrequent Item, or Both [Domain] Vesting [Domain] Proceeds from term loan Proceeds from term loan. Term loan proceeds Units Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Cumulative dividends Cumulative Dividends Summary of Basic and Diluted Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Total notes payable, net, Principal Outstanding Notes payable, net Senior Notes Concentrations Risk Concentration Risk Disclosure [Text Block] Amortization Of Treasury Lock Settlement Amortization of treasury lock settlement. Amortization of treasury lock settlement Investment, Name [Axis] Stock Compensation Plan [Member] Share-Based Payment Arrangement [Member] Earnings Per Share, Basic, Total Basic EPS Basic Earnings Per Share, Basic Summary of Revenue from Tenant Construction Projects Disaggregated by Tenant Agency Disaggregation of Revenue [Table Text Block] Sales-type Lease, Net Investment in Lease, Allowance for Credit Loss Sales-type Lease, Net Investment in Lease, Allowance for Credit Loss, Ending Balance Sales-type Lease, Net Investment in Lease, Allowance for Credit Loss, Beginning Balance Sales-type Lease, Net Investment in Lease, Allowance for Credit Loss, Total Sales-type leases, allowance for credit losses Contribution of property for common units, shares issued Contribution Of Property For Common Units Shares Issued Contribution of property for common units shares issued. VA – Birmingham and VA – Marietta [Member] V A Birmingham And V A Marietta [Member] VA – Birmingham and VA – Marietta. Below Market Lease, Amortization Income, Year Three 2029 Revolving credit facility two. Revolving Credit Facility Two [Member] Revolving Credit Facility [Member] Common stock Stock Issued Repayments of mortgage notes payable Repayments of Secured Debt Mortgage note obligation Interest expense, net Interest Income (Expense), Nonoperating Revolving Credit Facility [Member] Revolving Credit Facility [Member] Operating Lease, Lease Income, Total Rental income Operating Lease, Lease Income Below Market Lease, Amortization Income, Year One 2027 Two thousand twenty four series B senior notes. Two Thousand Twenty Four Series B Senior Notes [Member] 2024 Series B Senior Notes [Member] Service Based L T I P Units [Member] Service Based LTIP Units[Member] Service based LTIP units. Adjustments to reconcile net income to net cash provided by operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Dividends Payable, Date of Record Record Date Share Repurchase Program Share Repurchase Program [Domain] Schedule of Information with Respect to ATM Program Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure [Table Text Block] Mezzanine Construction Loan Maturity Date Mezzanine construction loan maturity date. Mezzanine construction loan maturity date Financing Receivable, Allowance for Credit Loss [Line Items] Vest Date Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Date Share based compensation arrangement by share based payment award award vesting date. Vest date Accounting Standards Update Accounting Standards Update [Axis] Equity Equity, Attributable to Parent [Abstract] Entity Small Business Entity Small Business Unrealized Gain Loss On Interest Rate Swaps Unrealized gain loss on interest rate swaps Unrealized loss on interest rate swaps Investments in real estate loans receivable, net Payments for (Proceeds from) Real Estate Partnership Investment, Net Payments for (Proceeds from) Real Estate Partnership Investment, Net, Total Valuation, Market Approach [Member] Market Approach [Member] Retained Earnings (Accumulated Deficit), Total Retained earnings Retained Earnings (Accumulated Deficit) The Judiciary of the U.S. Government ("JUD") [Member] The Judiciary Of The United States Government [Member] The Judiciary of The United States Governmen. Wholly Owned Operating Properties [Member] Wholly Owned Operating Properties [Member] Wholly owned operating properties. VA Jacksonville. VA Jacksonville [Member] VA - Jacksonville Above Market Lease Amortization Income Year Four Above market lease amortization income year four. 2030 Proceeds from issuance initial public offering Proceeds from Issuance Initial Public Offering VA Birmingham, VA Marietta, VA Columbus and VA Phoenix. VA Birmingham, VA Marietta, VA Columbus and VA Phoenix [Member] VA Birmingham, VA Marietta, VA Columbus and VA Phoenix Forward swaps effective date Derivative, Inception Date Equity Incentive Plan Share-Based Payment Arrangement [Text Block] Performance Condition Percentage Earned At Threshold Percentage of the target performance based award earned at threshold share price. Performance-based percentage earned, minimum Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Liabilities Below Market Leases Business ​combination ​recognized​ identifiable​ assets​ acquired​ and​ liabilities ​assumed​ intangible liabilities​ below market leases. Intangible Liabilities, Below market leases Lease Contractual Term Lease Contractual Term [Axis] Leases [Abstract] Contract with Customer, Liability, Total Contract liabilities Contract with Customer, Liability Lessee, Lease, Description [Line Items] General Services Administration - Other [Member] General Services Administration [Member] General services administration. Amendment Flag Amendment Flag Product and Service Product and Service [Domain] Reimbursement Cost Paid Reimbursement Cost Paid Reimbursement cost paid. Concentration Risk [Line Items] Concentration Risk [Line Items] Assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current, Total Disposal Group, Including Discontinued Operation, Assets, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Capitalized interest Interest Costs Capitalized Adjustment Common Stock Par Value [Member] Common Stock [Member] Common Stock Hedging Relationship [Domain] Lessee, Operating Lease, Liability, to be Paid, Year Three 2029 Schedule of Fair Value of Our Interest Rate Derivatives as Well as Their Classification on Our Consolidated Balance Sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Sales-type Lease, Unguaranteed Residual Asset sales-type leases, residual asset Amortization of loan premium / discount Amortization of Debt Discount (Premium) Series B Senior Notes [Member] Series B Senior Notes [Member] Series B senior notes. Real estate properties, net Real Estate Investment Property, Net [Abstract] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Entity Address, Address Line One Entity Address, Address Line One Restricted Common Stock [Member] Restricted common stock. Dividends Payable [Table] Dividends Payable [Table] Level 1 [Member] Fair Value Hierarchy and NAV [Axis] Net income available to Easterly Government Properties, Inc. per share: Earnings Per Share [Abstract] Rental income Rental Income, Nonoperating Supplemental disclosure of cash flow information is as follows (amounts in thousands): Supplemental Cash Flow Information [Abstract] Statement of Financial Position Location, Balance [Axis] Right-of-use asset Operating Lease, Right-of-Use Asset Net Income (Loss) Attributable to Noncontrolling Interest, Total Less: Non-controlling interest in Operating Partnership Non-controlling interest in Operating Partnership Net Income (Loss) Attributable to Noncontrolling Interest Less: Non-controlling interest in Operating Partnership Less: Non-controlling interest in Operating Partnership Variable Variable [Member] Variable member. Additions to development properties Capital Additions Made To Property Development Properties After Acquisition Capital additions made to property development properties after acquisition. Land Land Net change in: Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] Properties Under Development [Member] Properties Under Development [Member] Properties under development. Document Type Document Type Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Total Real estate properties, net Real estate properties, net Real Estate Investment Property, Net Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Environmental protection agency. Environmental Protection Agency [Member] Environmental Protection Agency ("EPA") [Member] Entity Central Index Key Entity Central Index Key Valuation Approach and Technique [Axis] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net decrease in Cash and cash equivalents and Restricted cash Subsequent Event Type Subsequent Event Type [Domain] Unvested Performance-Based Long Term Incentive Plan [Member] Unvested Performance Based Long Term Incentive Plan [Member] Unvested performance-based long term incentive plan. Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share amount Summary of Significant Assumptions Used to Value the Total Shareholder Share-Based Payment Arrangement, Performance Shares, Outstanding Activity [Table Text Block] Number of land parcel acquired Number of land parcel acquired. Schedule Of Future Minimum Rental Payments For Operating Leases [Table] Schedule Of Future Minimum Rental Payments For Operating Leases [Table] Schedule of future minimum rental payments for operating leases. Common Stock, par value Common Stock, Par or Stated Value Per Share Interest Rate swap Effective June Thirty Two Thousand Twenty Five [Member] Interest Rate swap Effective June Thirty Two Thousand Twenty Five. Interest Rate Swap Effective June 30, 2025 [Member] Accounting Standards Update Accounting Standards Update [Domain] 2024 Series A Senior Notes [Member] Two Thousand Twenty Four Series A Senior Notes [Member] 2024 Series A Senior Notes. Share-Based Payment Arrangement, Tranche One [Member] Total Shareholder Return Performance Thresholds Liabilities Liabilities [Abstract] Fractional Shares Settled Fractional shares settled. Fractional shares settled Performance based LTIP units. Performance Based LTIP Units[Member] Performance Based L T I P Units [Member] Investments In Sales Type Lease And Real Estate Loan Receivable Net Investments in sales type lease and real estate loan receivable net. Investments in sales-type lease and real estate loans receivable, net Summary of Changes In Stockholders' Equity Schedule of Stockholders Equity [Table Text Block] Interest Swap Rate at 3.86% Fixed Rate [Member] Interest Swap Rate at Three Point Eight Six Percentage Fixed Rate One [Member] Interest swap rate at three point eight six percentage fixed rate one. Two Thousand Twenty Five Senior Note Agreement [Member] Two thousand twenty five senior note agreement. 2025 Senior Note Agreement [Member] Debt Disclosure [Abstract] Derivative [Table] Derivative [Table] Schedule of Key Terms and Fair Values of Our Interest Rate Swap Derivatives Schedule of Derivative Instruments [Table Text Block] Aggregate notional value of interest rate swaps Derivative, Notional Amount Treasury locks notional value Mortgages Payable [Member] Mortgages Payable [Member] Mortgages payable. Performance Condition Threshold Share Price Represents the minimum applicable share price that must be achieved for performance-based awards. Applicable threshold price Initial recognition of operating lease right of use assets. Initial Recognition Of Operating Lease Right Of Use Assets Recognition of operating lease right-of-use assets Grant of unvested restricted stock, net Stock Issued During Period, Value, Restricted Stock Award, Gross Ownership Ownership [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Parking Garage [Member] Parking Garage [Member] Parking garage. Document Quarterly Report Document Quarterly Report Unamortized restricted stock expense Unamortized Expense Unamortized Expense. Total other assets Organization And Significant Accounting Policies [Line Items] Organization And Significant Accounting Policies [Line Items] Organization and significant accounting policies. California [Member] CALIFORNIA CALIFORNIA Receivables [Abstract] Entity Address, State or Province Entity Address, State or Province Principal Repayment Of Sales Type Lease Principal repayment of sales type lease. Principal repayment of sales-type lease Unconsolidated Real Estate Venture [Table] Unconsolidated Real Estate Venture [Table] Unconsolidated real estate venture. Amount available under revolving credit facility Line of Credit Facility, Remaining Borrowing Capacity Reimbursements Accounts Receivable Reimbursements accounts receivable. Reimbursements receivable Measurement input average price per square foot of comparable sales. Measurement Input Average Price Per Square Foot Of Comparable Sales [Member] Measurement Input Average Price Per Square Foot of Comparable Sales [Member] Mezzanine construction loan monthly interest fixed rate. Mezzanine construction loan monthly interest fixed rate Mezzanine Construction Loan Monthly Interest Fixed Rate Investment, Name [Domain] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) attributable to Easterly Government Properties, Inc. Maximum number of shares of common stock reserved for issuance Common Stock, Capital Shares Reserved for Future Issuance Aggregate number of shares of common stock authorized for issuance Dilutive effect Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Risks and Uncertainties [Abstract] Geographical Geographical [Axis] Increase (Decrease) in Accrued Interest Receivable, Net Accrued interest receivable Real estate loan interest receivable U.S. Citizenship and Immigration Services ("USCIS") [Member] U.S. Citizenship and Immigration Services. Debt instrument secured accordion feature additional borrowing capacity Debt instrument secured accordion feature additional borrowing capacity. 2017 series C senior notes [Member] Two Thousand Seventeen Series C Senior Notes [Member] Two thousand seventeen series C senior notes. Financing Receivable, Accrued Interest, after Allowance for Credit Loss Accrued interest receivable, net of allowance for credit losses Federal Bureau of Investigation ("FBI") [Member] Federal Bureau Of Investigation [Member] Federal bureau of investigation. Debt Instrument, Unamortized Discount (Premium), Net, Total Less: Total unamortized premium/discount Debt Instrument, Unamortized Discount (Premium), Net Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): Operating Properties and Land Parcel Acquired [Member] Operating Properties and land parcel Acquired [Member] Operating properties and land parcel acquired. Subsequent Event [Member] Subsequent Event [Member] Subsequent Event Shareholders Equity [Line Items] Shareholders Equity [Line Items] Shareholders equity. Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Increased number of shares of common stock authorized for issuance Senior unsecured notes Unsecured Debt Unsecured Debt, Total Antidilutive Securities Antidilutive Securities [Axis] Sales-type Lease, Selling Profit (Loss) Profit or loss recognized Above Market Lease Amortization Income Year Two Above market lease amortization income year two. 2028 Tenant Reimbursements [Member] Tenant Reimbursements [Member] Tenant reimbursements. Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Customer Customer [Domain] 2019 ATM Program [Member] Two Thousand Nineteen A T M Program [Member] 2019 ATM program. Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Acquired Below-Market Lease Intangibles Below Market Lease, Amortization Income, Maturity Schedule [Abstract] Outstanding common units of aggregate limited partnership interest owned percentage Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Interest rate swaps - Asset Interest Rate Derivative Assets, at Fair Value Interest rate swaps Business Combination, Consideration Transferred Business Combination, Consideration Transferred, Total Membership interests acquired amount Straight line rent Straight Line Rent Intangible liabilities, net Off-Market Lease, Unfavorable Investments in Unconsolidated Real Estate Venture Real Estate Disclosure [Text Block] Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Total intangible assets Operating partnership dividend rate percentage Common Unit Dividend Rate Percentage Common unit dividend rate percentage. Interest Swap Rate at Three Point Six Seven Percentage Fixed Rate [Member] Interest swap rate at three point six seven percentage fixed rate. Interest Swap Rate at 3.67% Fixed Rate [Member] Total Intangible assets, net Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill ICE - Otay [Member] ICE - Otay. Senior notes, maturity date Debt Instrument, Maturity Date Earnings Per Share Basic And Diluted [Table] Earnings Per Share Basic And Diluted [Table] Earnings per share basic and diluted. Derivative, Loss on Derivative Loss on derivatives Minimum Minimum [Member] Minimum [Member] Financial Instrument Financial Instrument [Axis] Summary of Investments in JV Equity Method Investments [Table Text Block] Construction loan. Construction Loan [Member] Construction Loan [Member] Unconsolidated Real Estate Ventures [Abstract] Investments in Unconsolidated Real Estate Ventures. Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Amount Incurred Of Land Parcel Acquired Amount Incurred Of Land Parcel Acquired Land parcel acquired amount Net Income (Loss) from Real Estate Investment Partnership, Attributable to Parent, Total Income from unconsolidated real estate venture Net Income (Loss) from Real Estate Investment Partnership, Attributable to Parent Segment Reporting [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Assets Measured at Fair Value on Recurring Basis Government [Member] Government [Member] Related Party Transactions [Abstract] Summary of Maturity of Fixed Lease Payments Under Company's Leases Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Shares, Outstanding Balance (in shares) Balance (in shares) DC Capitol Plaza And DHS Burlington [Member] DC Capitol Plaza And DHS Burlington. DC Capitol Plaza and DHS Burlington [Member] Restricted Cash and Cash Equivalents, Total Restricted cash Restricted Cash and Cash Equivalent Wholly Owned Operating Properties Entirely Leased [Member] Wholly Owned Operating Properties Entirely Leased [Member] Wholly Owned Operating Properties Entirely Leased [Member] Mezzanine Construction Loan Agreement Lending Capacity Mezzanine construction loan agreement lending capacity. Mezzanine construction loan agreement lending capacity Accounts Receivable, Credit Loss Expense (Reversal) Recovery of credit losses Provision for (recovery of) credit losses Mortgage Loans on Real Estate, Commercial and Consumer, Net, Total Net carrying value of real estate collateralizing the mortgage Mortgage Loans on Real Estate, Commercial and Consumer, Net Operating Lease, Liability, Total Total Operating Lease, Liability Operating lease liability Repayment of construction loan Repayment of construction loan. Repayment of construction loan Stockholders' Equity, Reverse Stock Split Reverse stock split, description Dividends Payable [Line Items] Dividends Payable [Line Items] Forecast [Member] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Lessee, Lease, Description [Table] Percentage of revenue by leasing properties Percentage of revenue by leasing properties. Percentage of revenue by leasing properties Underlying Unsettled Forward Sales Transactions [Member] Forward Contracts [Member] Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Lease Contractual Term Lease Contractual Term [Domain] Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Land Land Financing Receivable, before Allowance for Credit Loss, Total Financing Receivable, before Allowance for Credit Loss Real estate loans receivable Initial maturity date Debt Instrument, Maturity Date Range, Start Notes Payable [Member] Notes Payable, Other Payables [Member] In-place Leases [Member] Leases, Acquired-in-Place Leases, Acquired-in-Place [Member] Long-Term Debt, Type Long-Term Debt, Type [Domain] Weighted Average Number of Shares Outstanding, Basic, Total Denominator for basic EPS Basic Weighted Average Number of Shares Outstanding, Basic Intangible Liabilities, Accumulated amortization Below Market Lease, Accumulated Amortization Scenario [Axis] Fixed lease payments, 2023 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Schedule Of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Stock Issued During Period, Shares, Reverse Stock Splits Reduction in the number of shares due to reverse stock split Rentable Square Feet [Member] Rentable Square Feet [Member] Rentable square feet. Unearned interest income Unearned interest income Unearned interest income Subsequent Events Subsequent Events [Text Block] Loans Receivable, Fair Value Disclosure Fair value of receivable Total debt, Principal Outstanding Long-Term Debt Related Parties Related Party Transactions Disclosure [Text Block] Asset Management Fees Asset Management Fees Asset management fees. Cash Interest Swap Rate at 4.18% Fixed Rate [Member] Interest Swap Rate At Four Point One Eight Percentage Fixed Rate [Member] Interest swap rate at four point one eight percentage fixed rate. Variable Rate Variable Rate [Domain] Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Total stockholders’ equity Total equity Equity, Attributable to Parent Line Of Credit Facility Accordion Feature Additional Borrowing Capacity Credit facility additional maximum borrowing capacity Line of credit facility accordion feature additional borrowing capacity. Real estate taxes Real Estate Tax Expense Share-Based Payment Arrangement, Tranche Two [Member] Operational Performance Hurdles Department of Transportation ("DOT") [Member] Department Of Transportation [Member] Department of transportation. Amortization of Real Estate Loan Receivable Origination Fees Amortization of real estate loan receivable origination fees. Amortization of real estate loans receivable origination fees Sales-type Lease, Interest Income Sales-type leases, interest income Valuation Approach and Technique [Domain] Series A Preferred Units [Member] Series A Preferred Stock [Member] Schedule of Nonvested Share Activity [Table Text Block] Summary of Stock-based Compensation Expense Customs and Border Protection ("CBP") [Member] Customs And Border Protection [Member] Customs and border protection. Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Total real estate Total real estate Schedule of Real Estate and Intangibles Schedule Of Real Estate And Intangible Assets Table [Text Block] Schedule of real estate and intangible assets. Financing Receivable, Allowance for Credit Loss Allowance for credit losses Allowance for credit losses Ending balance Beginning balance Entity Address, Address Line Two Entity Address, Address Line Two Fair Value Measurements Fair Value Disclosures [Text Block] Declaration Date Dividends Payable, Date Declared Less: Dividends on participating securities Dividends On Participating Securities Dividends on participating securities. Less: Dividends on participating securities Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Summary of Stock-based Compensation Expense, Net Inventory, Real Estate [Abstract] Schedule Of Future Minimum Rental Payments For Operating Leases [Line Items] Schedule Of Future Minimum Rental Payments For Operating Leases [Line Items] Schedule of future minimum rental payments for operating leases. Debt Instrument, Name Debt Instrument, Name [Domain] Supplemental disclosure of non-cash information Noncash Investing and Financing Items [Abstract] Measurement Input, Discount Rate [Member] Cash Flow Discount Rate [Member] Net investment in sales-type lease Investment in sales-type lease, net Income from unconsolidated real estate venture Income (Loss) from Equity Method Investments Prepaid expenses and other assets Prepaid Expense and Other Assets Derivative Instruments and Hedging Activities Disclosure [Abstract] U.S Joint Staff Command ("JSC") [Member] U S Joint Staff Command J S C [Member] U.S joint staff command ("JSC") Member Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Number of preferred units issued Preferred Units, Issued Plan Name Plan Name [Domain] Payments Of Loans Past Due Or Nonaccrual Payments of loans past due or nonaccrual. Payments of loans past due or nonaccrual Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Credit Facility Credit Facility [Axis] Effective Ownership Interest Equity Method Investment, Ownership Percentage Cost of Goods and Services Sold, Total Property operating Cost of Product and Service Sold Reimbursements receivables Reimbursements receivables. Fixed lease payments, 2025 Lessor, Operating Lease, Payment to be Received, Year Two Below Market Lease, Amortization Income, Year Two 2028 Long Term Incentive Plan [Member] Long term incentive plan. Long Term Incentive Plan [Member] Immigration and customs enforcement. Immigration And Customs Enforcement [Member] Immigration and Customs Enforcement ("ICE") [Member] Related Party Related and Nonrelated Parties [Axis] Accounting Standards Update [Extensible List] Accounting Standards Update [Extensible Enumeration] Area acquired Area of properties acquired Area of Real Estate Property Entity Address, City or Town Entity Address, City or Town Certain Entities Controlled by Vice Chairman [Member] Certain Entities Controlled By Vice Chairman [Member] Certain entities controlled by vice chairman. CBP Savannah [Member] C B P Savannah [Member] CBP Savannah. Leases Lessor, Operating Leases [Text Block] Number of Reportable Segments Number of reportable segment Security Exchange Name Security Exchange Name Number of forward interest rate swaps Number of Interest Rate Derivatives Held Credit Facility Credit Facility [Domain] Term Loan Facilities [Member] Term Loan Facility [Member] Term Loan Facility [Member] Term loan facility. Loan, principal outstanding Loan, Principal Outstanding Long-Term Debt, Gross Real estate acquisitions and deposits Payments To Acquire And Develop Real Estate Net Payments to acquire and develop real estate net. Non-controlling Interest in Operating Partnership [Member] Noncontrolling Interest In Operating Partnership [Member] Noncontrolling interest in operating partnership. Concentration Risk Type Concentration Risk Type [Domain] Fair Value, Net Asset (Liability), Total Financial liabilities, Fair value Fair Value, Net Asset (Liability) Deferred financing costs net Debt Issuance Costs, Current, Net Debt Issuance Costs, Current, Net, Total Mezzanine Construction Loan [Member] Mezzanine construction loan. Mezzanine Construction Loan [Member] Accounts receivable related to tenant construction projects Accounts Receivable Net Related To Tenant Construction Projects Accounts receivable net related to tenant construction projects. Real Estate [Abstract] Measurement Input Type [Domain] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Unrealized gain (loss) on treasury locks and interest rate swaps, net Unrealized gain (loss) on treasury locks and interest rate swaps, net Second amended purchase and sale agreement. Second Amended Purchase And Sale Agreement [Member] Second Amended Purchase and Sale Agreement [Member] Interest Paid, Excluding Capitalized Interest, Operating Activity Cash paid for interest (net of capitalized interest of $545 and $2,026 in 2026 and 2025, respectively) Operating Partnership [Member] Easterly Government Properties LP [Member] Operating Partnership [Member] Operating partnership. Statistical Measurement Statistical Measurement [Domain] Construction loan payment description Construction loan payment description. Construction Loan Payment Description Tenant accounts receivable Increase (Decrease) in Leasing Receivables Compensation expense recognized Share-Based Payment Arrangement, Expense Stock-based compensation expense, net (recovery) Homeland Security Investigations [Member] Homeland security investigations. Homeland Security Investigations ("HSI") [Member] Document Period End Date Document Period End Date Title of Individual Title and Position [Axis] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Cash Payment for Fractional Shares Cash payment for fractional shares. Cash payment for fractional shares Aggregate area of land Net Rentable Area Asset management income Property Management Fee Revenue Loan, Interest Rate Debt Instrument, Description of Variable Rate Basis Statement of Financial Position [Abstract] Fixed Fixed [Member] Fixed member. Cumulative Effect, Period of Adoption, Adjustment [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] Summary of Scheduled Amortization Market Lease Intangibles Above And Below Market Lease Future Amortization Income Table [Text Block] Above and below market lease future amortization income. Revenue Recognition Revenue [Policy Text Block] Vesting [Axis] Financial liabilities, Carrying amount Fair Value, Option, Ineligible Items, Carrying Amount Class of Stock Class of Stock [Axis] Glen Allen, VA [Member] GlenAllenVA Fractional Shares Issued Fractional shares issued. Fractional shares issued Total liabilities (2) Total liabilities Liabilities Acquired tenant improvements Tenant Improvements Financial Instruments [Domain] Financial Instruments Dividends and distributions paid Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Unconsolidated Real Estate Venture [Abstract] Unconsolidated real estate venture. Stockholders Equity Note Disclosure [Line Items] Stockholders Equity Note Disclosure [Line Items] Stockholders equity note disclosure. Deferred revenue associated with operating leases Increase (Decrease) in Deferred Revenue Reclassification of reverse stock split Reclassification Of Reverse Stock Split Reclassification of reverse stock split. Deferred asset acquisition costs accrued, not paid Deferred Asset Acquisition Costs Accrued But Not Paid Deferred asset acquisition costs accrued but not paid. Real Estate Properties Real Estate Properties [Domain] Lessee, Operating Lease, Liability, to be Paid, Year Two 2028 Interest rate swaps - Liability Interest rate swaps - Liability Interest rate swaps Interest Rate Derivative Liabilities, at Fair Value Restricted Stock Restricted Stock [Member] Thereafter Lessee Operating Lease Liability Payments Due After Year Four Lessee operating lease liability payments due after year four. Variable Rate Variable Rate [Axis] Acquired Above-Market Lease Intangibles Above Market Lease Amortization Income Maturity Schedule [Abstract] Above market lease amortization income maturity schedule. Finite-Lived Intangible Assets, Gross, Total Above market leases Finite-Lived Intangible Assets, Gross ICE Otay. ICE Otay [Member] ICE - Otay [Member] Amounts outstanding under credit/loan facility Revolving credit facility outstanding Line of Credit Facility, Maximum Amount Outstanding During Period Denominator for diluted EPS Diluted Weighted Average Number of Shares Outstanding, Diluted Entity File Number Securities Act File Number Internal Revenue Service ("IRS") [Member] Internal Revenue Service [Member] Internal revenue service. Dividends and distributions paid Payments of Ordinary Dividends, Common Stock Cover [Abstract] Interest Swap Rate at Three Point Six Six Percentage Fixed Rate [Member] Interest swap rate at three point six six percentage fixed rate. Interest Swap Rate at 3.66% Fixed Rate [Member] Measurement Input Type [Axis] Payments For Treasury Lock Settlement Payments for treasury lock settlement. Treasury Lock Settlement Treasury lock settlement Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Sales-type Lease, Lease Receivable Sales-type leases, lease receivable Cumulative Effect, Period of Adoption Cumulative Effect, Period of Adoption [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares Issued, Shares, Share-based Payment Arrangement, Forfeited Construction loan agreement lending capacity Construction Loan Agreement Lending Capacity Construction loan agreement lending capacity. Contingent consideration accrued, not paid Contingent Consideration Accrued Not Paid Contingent consideration accrued but not paid. Derivative, Net Liability Position, Aggregate Fair Value Fair value of derivatives in a net liability position Stockholders Equity Note Disclosure [Table] Stockholders Equity Note Disclosure [Table] Stockholders equity note disclosure. Lease Income [Member] Revenue Benchmark [Member] Scenario [Domain] Mortgage Notes Payable [Member] Mortgages [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Common stock reserved for issuance Number of Operating Segments Number of operating segment Sale of Stock [Domain] Sale of Stock USFS II Albuquerque [Member] U S F S I I Albuquerque [Member] USFS II Albuquerque. Segment Information Segment Reporting Disclosure [Text Block] Alternative Investment, Measurement Input Tenant Construction Project Income Revenue from Contract with Customer, Including Assessed Tax Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares Units vested Summary of Dividends Declared Dividends Declared [Table Text Block] Subsequent Event [Table] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Certain Entities Controlled by Chairman [Member] Certain Entities Controlled By Chairman [Member] Certain entities controlled by chairman. Number of properties Number of Real Estate Properties Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt, Total Loss on debt extinguishment Derivative, Term of Contract Treasury locks, term of contract New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Not Yet Adopted Real estate loans receivable, net and investment in sales-type lease, net Real Estate Loans Receivable Net And Investment In Sales Type Lease Net Real estate loans receivable net and investment in sales type lease net. Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Schedule of Maturity of Fixed Lease Payments Under Our Corporate Office Leases Net proceeds from issuance of preferred units Proceeds from Issuance of Preferred Limited Partners Units Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets, Total Gain or loss on sale of operating property Ownership Ownership [Axis] Senior Unsecured Revolving Credit Facility [Member] Senior Unsecured Revolving Credit Facility [Member] Senior unsecured revolving credit facility. VA Loma Linda [Member] V A Loma Linda [Member] VA Loma Linda. 2019 series B senior notes [Member] Two Thousand Nineteen Series B Senior Notes [Member] Two thousand nineteen series B senior notes. Wholly Owned Properties [Member] Wholly Owned Properties [Member] Investment, Type [Extensible Enumeration] Operating lease term of contract Lessee, Operating Lease, Term of Contract Leased period Common Stock, Shares, Outstanding, Beginning Balance Common Stock, shares outstanding Balance (in shares) Common Stock, Shares, Outstanding VA Golden [Member] V A Golden [Member] VA – Golden. Dividends [Domain] Document Transition Report Document Transition Report Share-Based Payment Arrangement, Additional Disclosure [Abstract] Corporate Office Leases [Member] Corporate Office Leases [Member] Corporate office leases. Real Estate Loan [Member] Real Estate Loans Receivable [Member] Asset Impairment Charges, Total Asset Impairment Charges Impairment loss Impairment loss Valuation Technique, Discounted Cash Flow [Member] Cash Flow [Member] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Statement of Cash Flows [Abstract] 2021 Series A Senior Notes [Member] Two Thousand Twenty One Series A Senior Notes [Member] 2021 series A senior notes. 2025 Series A Senior Notes [Member] 2025 series A senior notes. Two Thousand Twenty Five Series A Senior Notes [Member] Issuance of common stock, net Stock Issued During Period, Value, New Issues Aggregate market value of common stock that could potentially be issued Interest Rate Swaps [Member] Interest Rate Swap [Member] Equity Equity [Text Block] Accounts and Financing Receivables [Table] Senior Unsecured Credit Facility Senior Unsecured Credit Facility [Member] Senior unsecured credit facility. Earnings Per Share Earnings Per Share [Text Block] Number of Shares Sold Shares, Issued Net income Net income available to Easterly Government Properties, Inc. Average age of property Leased Property Average Age Leased property average age. Partner Type of Partners' Capital Account, Name Partner Type of Partners' Capital Account, Name [Domain] Cash flows from operating lease costs Operating Lease, Cost Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] Senior unsecured notes. 2024 Revolving Credit Facility [Member] Two Thousand Twenty Four Revolving Credit Facility [Member] Two thousand twenty four revolving credit facility. Intangible Assets, Net (Excluding Goodwill), Total Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Assets Assets [Abstract] Partner Type Partner Type [Axis] Drug enforcement agency. Drug Enforcement Agency [Member] Drug Enforcement Agency (“DEA”) [Member] Interest Rate Swap2 [Member] Interest Rate Swap2 [Member] Interest Rate Swap2 [Member] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Document Fiscal Year Focus Document Fiscal Year Focus Accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Accumulated depreciation Rule 10b51 Arr Modified [Flag] Rule 10b51 arr modified flag. Rule 10b5-1 Arrangement Modified Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Real Estate Loan Unfunded Commitments [Member] Unfunded Loan Commitment [Member] Fair value of restricted stock,vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Land Subject to Ground Leases Area of land leases Fixed lease payments, 2024 Lessor, Operating Lease, Payment to be Received, Year One Expiration Date Derivative, Contract End Date Contribution of property for common units Contribution Of Property For Common Units Contribution of Property for common units. Deferred Revenue, Total Deferred revenue Deferred Revenue Stock based compensation, net Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Subsidiary or Equity Method Investee, Sale of Stock [Table] Wholly Owned Properties Under Development [Member] Wholly Owned Properties Under Development [Member] Wholly owned properties under development. Leased percentage of operating properties Leased Percentage Of Operating Properties Leased percentage of operating properties. Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Lease term Fair Value Disclosures [Abstract] Principal payments on operating lease obligations Increase Decrease In Payments On Operating Lease Liabilities Increase decrease in payments on operating lease liabilities. Redemption of common units for shares of common stock Conversion Of Common Units To Common Stock Monetary Value Conversion of common units to common stock monetary value. Share Repurchase Program [Member] Share Repurchase Program [Member] Share repurchase program. Real Estate Properties [Line Items] Real Estate Properties [Line Items] Lessee, Operating Lease, Liability, to be Paid, Year One 2027 Real Estate Property Ownership Real Estate Property Ownership [Axis] FLORIDA Florida [Member] Sale of Stock, Consideration Received on Transaction Proceeds received Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Aggregate purchase price Repurchase of common stock,percentage Stock Repurchase Program Percentage Of Outstanding Shares Authorized To Be Repurchased Stock repurchase program percentage of outstanding shares authorized to be repurchased. Long-Term Line of Credit, Total Total revolving credit facility, Principal Outstanding Revolving credit facility Long-Term Line of Credit Senior notes terminated and settled date Senior notes terminated and settled date. Debt Instrument Debt Instrument [Axis] Operating Properties Disposed [Member] Operating properties disposed. Derivative Instrument Derivative Instrument [Axis] Properties acquired for Common Units Fair Value of Assets Acquired MEPCOM Jacksonville [Member] M E P C O M Jacksonville [Member] MEPCOM Jacksonville. O 2026 Q1 Dividends [Member] O 2026 Q1 Dividends. Q1 2026 [Member] Assets Needed for Immediate Settlement, Aggregate Fair Value Aggregate termination value National Weather Service [Member] National Weather Service [Member] National Weather Service (NWS) [Member] Sale of Stock Sale of Stock [Axis] Percentage of concentrations risk Concentration Risk, Percentage Department of Veteran Affairs ("VA") [Member] Department Of Veteran Affairs [Member] Department of veteran affairs. Total revenues Revenues Revenues Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Title of 12(b) Security Title of 12(b) Security Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Notes Payable [Member] Notes Payable [Member] Notes payable. U.S. Government [Member] Domestic Government [Member] Domestic Government [Member]. DEA Pleasanton [Member] D E A Pleasanton [Member] DEA Pleasanton. Related Party Related and Nonrelated Parties [Domain] Additions to operating properties Capital Additions Made To Property Operating Properties After Acquisition Capital additions made to property operating properties after acquisition. Interest Expense [Member] Interest Expense, Net [Member] Summary of real estate loan receivable. Summary Of Real Estate Loan Receivable [Table Text Block] Summary of Real Estate Loans Receivable O2025Q2 Dividends [Member] O2025Q2 Dividends. Q2 2025 [Member] Business combination recognized identifiable assets acquired and liabilities assumed deferred market liabilities. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Market Liabilities Total intangible liabilities Extended maturity date Debt Instrument, Maturity Date Range, End Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 Fixed lease payments, Total Lessor, Operating Lease, Payment to be Received Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Fixed lease payments, 2027 Lessor, Operating Lease, Payment to be Received, Year Four Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Gross sale of common stock available for grant Share Based Compensation Arrangement By Share Based Payment Award Value Of Shares Available For Grant Share-based compensation arrangement by share-based payment award, value of shares available for grant. Measurement Frequency Measurement Frequency [Domain] Reimbursable payroll expenses interest and defeasance costs due from related party Reimbursable Payroll Expenses Interest And Defeasance Costs Due From Related Party Reimbursable payroll expenses interest and defeasance costs due from related party. Statement of Income Location, Balance [Axis] Business combination recognized identifiable assets acquired and liabilities assumed tenant improvements. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Tenant Improvements Acquired tenant improvements Senior Notes [Member] Senior Notes [Member] Summary of Grants Schedule of Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] Trading Symbol Trading Symbol Payment in Lieu of Taxes [Member] Payment In Lieu Of Taxes [Member] Payment in lieu of taxes. Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Issuance of notes payable Proceeds from Notes Payable Proceeds from Notes Payable, Total Board of Directors [Member] Director [Member] Director Subsequent Event Type Subsequent Event Type [Axis] Line of Credit Facility, Description Line of Credit Facility, Description Financing Receivable, Allowance for Credit Loss [Table Text Block] Summary of Allowance for Credit Losses Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Unused facility fee percentage Above Market Lease Amortization Income Remainder Of Fiscal Year Above market lease amortization income remainder of fiscal year. 2026 Expected life Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Fair Value, Recurring Fair Value, Recurring [Member] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount 2019 series A senior notes [Member] Two Thousand Nineteen Series A Senior Notes [Member] Two thousand nineteen series A senior notes. Global investor. Global Investor [Member] Non-controlling interest in Operating Partnership Exchange Of Non Controlling Interest In Operating Partnership Exchange of non-controlling interest in operating partnership. Term loan repayments Term loan repayments Repayments Of Term Loan Repayments of term loan. Cumulative Dividends [Member] Equity Components [Axis] Senior Unsecured Notes Payable Senior Unsecured Notes Payable [Member] Senior unsecured notes payable. VA Portfolio. V A Portfolio [Member] VA Portfolio [Member] Equity Component Equity Component [Domain] Asset Class [Axis] Real Estate and Intangibles Real Estate And Intangibles Disclosure [Text Block] Real estate and intangibles disclosure. Interest Swap Rate at Three Point Seven Two Percentage Fixed Rate [Member] Interest swap rate at three point seven two percentage fixed rate. Interest Swap Rate at 3.72% Fixed Rate [Member] Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Fair Values of Assets Acquired and Liabilities Assumed Business Acquisition Business Combination [Axis] Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture Stock based compensation, net Customer Customer [Axis] Department of Homeland Security ("DHS") [Member] Department of Homeland Security ("DHS"). Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Financing Receivable, after Allowance for Credit Loss Real estate loan receivables, net Real estate loan receivable, net Real estate loans receivable, net Statement of Comprehensive Income [Abstract] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) [Abstract] Corporate Joint Venture [Member] Joint Venture [Member] Maximum Maximum [Member] Maximum [Member] Dividends Payable, Date to be Paid Payment Date Loan Purchase Commitments [Member] Statistical Measurement Statistical Measurement [Axis] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Shares Settled In Cash Shares settled in cash. Shares settled in cash 2018 Term Loan Facility [Member] Two Thousand Eighteen Term Loan Facility [Member] Two thousand eighteen term loan facility. Common Stock, Value, Issued Common stock, par value $0.01, 80,000,000 shares authorized 46,444,374 and 46,303,469 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest, Total Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Other comprehensive (income) loss attributable to non-controlling interest Forward swaps interest rate Derivative, Fixed Interest Rate Treasury rate Regulatory Assets [Abstract] Regulatory assets. Financing Receivable, Allowance for Credit Loss [Table] Dividends [Axis] 2016 Term Loan Facility [Member] Two Thousand Sixteen Term Loan Facility [Member] Two thousand sixteen term loan facility. Total equity Balance Balance Equity, Including Portion Attributable to Noncontrolling Interest ICE Charleston [Member] I C E Charleston [Member] ICE Charleston. Fixed lease payments, Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five State and local government tenants [Member] State and local government tenants [Member] State and Local Government Tenants [Member] Organization And Significant Accounting Policies [Table] Organization And Significant Accounting Policies [Table] Organization and significant accounting policies. Legal Entity Type of Counterparty [Domain] JV [Member] J V Partner [Member] JV Partner [Member] Redemption of common units for shares of common stock (in shares) Redemption Of Common Units To Common Stock Redemption of common units to common stock. Floating Rate Index Derivative Floating Rate Index Derivative floating rate index. Amortization of deferred financing costs Amortization of Debt Issuance Costs Below Market Lease, Amortization Income, Remainder of Fiscal Year 2026 Cumulative Dividends [Member] Accumulated Distributions in Excess of Net Income [Member] Two Thousand Twenty One A T M Program [Member] 2021 ATM program. 2021 ATM Program [Member] 2021 ATM Programs [Member] Other income (expense) Other Nonoperating Income (Expense) [Abstract] Mezzanine construction loan extended maturity date Mezzanine Construction Loan Extended Maturity Date Mezzanine construction loan extended maturity date. Aggregate offering price of shares of common stock that the Company may issue and sell Aggregate Offering Price Of Shares Of Common Stock That Company May Issue And Sell Aggregate offering price of shares of common stock that Company may issue and sell. Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Total expenses Costs and Expenses Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class Unconsolidated Real Estate Venture [Line Items] Unconsolidated Real Estate Venture [Line Items] Unconsolidated real estate venture. Summary of Borrowings Schedule of Debt [Table Text Block] Accounts payable, accrued expenses and other liabilities Accounts Payable and Other Accrued Liabilities Related Party Transaction [Line Items] Related Party Transaction [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Revenue Revenue from Contract with Customer [Text Block] Business Combination [Table] Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Building Building Entity Registrant Name Entity Registrant Name Debt Debt Disclosure [Text Block] Construction loan monthly interest fixed rate. Construction Loan Monthly Interest Fixed Rate Construction loan monthly interest fixed rate Below market leases assumed. Below Market Leases Assumed [Member] Below Market Leases Assumed Below-market Leases [Member] Credit Concentration Risk [Member] Customer Concentration Risk [Member] Subsequent Events [Abstract] SOFR [Member] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Floating interest rate Derivative, Variable Interest Rate Measurement Frequency Measurement Frequency [Axis] Dividends and distributions paid, per share Common Stock, Dividends, Per Share, Cash Paid State of California ("CA") [Member] State of California ("CA") [Member] Net Proceeds Issuance of common shares Proceeds from Issuance of Common Stock Net proceeds from the settlement of shares Expenses Costs and Expenses [Abstract] 2024 Equity Incentive Plan [Member] Two thousand twenty four equity incentive plan. Two Thousand Twenty Four Equity Incentive Plan [Member] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Repayment Of Sales Type Lease And Real Estate Loan Receivable Repayment of sales type lease and real estate loan receivable. Repayment of sales-type lease and real estate loans receivable Four Point Three One Percentage Under USD Term SOFR [Member] 4.31% under USD term SOFR. 4.31% Under USD Term SOFR [Member] Aggregate units granted Shares/Units, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Accounting standard update 2014 09. Accounting Standard Update 2014 09 [Member] ASU 2014-09 [Member] Total assets Assets 2019 series C senior notes [Member] Two Thousand Nineteen Series C Senior Notes [Member] Two thousand nineteen series C senior notes. Class of Financing Receivable [Domain] Income Statement [Abstract] Percentage of Member Interest Acquired Percentage of member interest acquired. Percentage of membership interests acquired Acquired Leasing Commissions [Member] Acquired Leasing Commissions [Member] Acquired leasing commissions. Sale of Stock, Number of Shares Issued in Transaction Number of settled common stock shares Department of Treasury ("TREAS") [Member] Department of Treasury [Member] Department of treasury. Term loan draws Term loan draws. Term Loan Draws Number of Shares Issued Issuance of common stock (in share) Stock Issued During Period, Shares, New Issues Number of shares issued Shareholders Equity [Table] Shareholders Equity [Table] Shareholders equity. Total term loan facilities, net, Principal Outstanding Term loan facilities, net Loans Payable Diluted EPS Earnings Per Share, Diluted, Total Diluted Earnings Per Share, Diluted Interest Swap Rate at 4.01% Fixed Rate [Member] Interest Swap Rate at 2.58% Fixed Rate [Member] Interest Swap Rate At Four Point Zero One Percentage Fixed Rate [Member] Interest swap rate at four point zero one percentage fixed rate. O2025Q1 Dividends [Member] O2025Q1 Dividends. Q1 2025 [Member] Title of Individual Title and Position [Domain] City Area Code City Area Code Senior notes, aggregate principal amount Debt Instrument, Issued, Principal Contribution of property for common units, partial consideration Contribution Of Property For Common Units Partial Consideration Contribution of property for common units, partial consideration Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss): Performance Period End Date Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Date Equity incentive plan expiration date Financing Receivable, Credit Loss, Expense (Reversal) Recovery of credit losses Provision for (recovery of) credit losses Provision for (recovery of) credit losses First Amendment [Member] First Amendment To Second Amended And Restated Senior Credit Agreement [Member] First amendment to second amended and restated senior credit agreement. Various GSA - Buffalo Property [Member] G S A Buffalo [Member] GSA - Buffalo. Performance Condition Baseline Share Price Represents the baseline share price used to measure stock price appreciation for determining achievement of performance conditions under share based awards. Baseline price Offering costs accrued, not paid Offering Costs Accrued But Not Paid Offering costs accrued but not paid. Term loan draws Proceeds from Lines of Credit, Total Credit facility draws Proceeds from Lines of Credit Business Combination [Line Items] Unusual or Infrequent Item, or Both Unusual or Infrequent Item, or Both [Axis] Derivative Instrument Gain Loss Reclassified From Aoci in to Income Effective Portion Statement of Income or Comprehensive Income Derivative instrument gain loss reclassified from aoci in to income effective portion statement of income or comprehensive income. Gain (loss) reclassified from AOCI into interest expense Investment in unconsolidated real estate venture Real Estate Investments, Joint Ventures Total Intangible liabilities, net Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Liabilities Business combination recognized identifiable assets acquired and liabilities assumed intangible liabilities. Interest Rate Swap Effective MarchTwenty Four Thousand Twenty Five [Member] Interest Rate Swap Effective MarchTwenty Four Thousand Twenty Five. Interest Rate Swap Effective March 24, 2025 [Member] Real Estate Real Estate [Domain] Total mortgage notes payable, net, Principal Outstanding Mortgage notes payable, net Mortgage Notes Payable Mortgage notes payable. Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split ratio Grant of unvested restricted stock, net (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Grant of unvested restricted stock (in shares) Corporate general and administrative Corporate General And Administrative Expense Corporate general and administrative expense. Amortization of above- / below-market leases Amortization of above and below Market Leases Distributions from investment in unconsolidated real estate venture Proceeds from Equity Method Investment, Distribution Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash and cash equivalents and Restricted cash, beginning of period Cash and cash equivalents and Restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Weighted average number of shares outstanding basic and diluted. Weighted Average Number of Shares Outstanding Basic and Diluted [Abstract] Weighted-average common shares outstanding William C. Trimble [Member] William C. Trimble. William C. Trimble, III [Member] Non-controlling interest in Operating Partnership Noncontrolling Interest in Operating Partnerships Number of unsettled common stock shares sold Forward Contract Indexed to Issuer's Equity, Shares Number of unsettled shares of outstanding forward sale transactions Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Estimates reclassified from accumulated other comprehensive income (loss) net increase to interest expense over the next 12 months Retained Earnings [Member] Retained Earnings [Member] Operating Properties [Member] Operating Properties [Member] Operating properties. Share-Based Payment Arrangement, Noncash Expense, Total Non-cash compensation Share-Based Payment Arrangement, Noncash Expense Payment of offering costs Payments of Stock Issuance Costs Interest Rate Swap1 [Member] Interest Rate Swap1 [Member] Interest rate swap1. Deferred financing costs accrued, not paid Financing costs accrued, not paid Financing Costs Accrued But Not Paid Financing costs accrued but not paid. Repurchase of common stock,shares Share Repurchase Program, Authorized, Number of Shares Food And Drug Administration ("FDA") [Member] Food And Drug Administration [Member] Food and drug administration. Amortization of lease inducements Amortization Of Lease Inducements Amortization of lease inducements. Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Fixed lease payments, 2026 Lessor, Operating Lease, Payment to be Received, Year Three Lease, Cost [Table Text Block] Schedule of Quantitative Information for Our Operating Leases Non Governmental Tenants [Member] Non Governmental Tenants [Member] Non governmental tenants. Derivative Contract Derivative Contract [Domain] Summary of Composition of Lease Revenue Recognized Between Fixed and Variable Components Schedule of Real Estate Properties [Table Text Block] Interest Swap Rate at Three Point Eight Five Percentage Fixed Rate [Member] Interest swap rate at three point eight five percentage fixed rate. Interest Swap Rate at 3.85% Fixed Rate [Member] Entity Interactive Data Current Entity Interactive Data Current Statement of Income Location, Balance [Domain] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Performance Condition Percentage Earned At Maximum Percentage of the target performance based award earned at maximum share price. Performance-based percentage earned Credit facility repayments Repayments of Lines of Credit Lump Sum Reimbursements Received Lump sum reimbursements received. Lump sum reimbursements received from FDA Atlanta Gain on the sale of operating property Gain on the sale of operating property Gain (Loss) on Sale of Properties 2017 series A senior notes [Member] Two Thousand Seventeen Series A Senior Notes [Member] Two thousand seventeen series A senior notes member. Real Estate, Type of Property Real Estate, Type of Property [Axis] Land acquired amount Payments to Acquire Land Initial forward price Initial Forward Price Initial forward price Contract with Customer, Asset, after Allowance for Credit Loss, Total Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Treasury Lock [Member] Treasury Locks [Member] Above Market Leases [Member] Above Market Leases [Member] Above-market Leases [Member] Dividend Dividends declared per common share Common Stock, Dividends, Per Share, Declared Cumulative Effect, Period of Adoption Cumulative Effect, Period of Adoption [Domain] Entity Tax Identification Number Entity Tax Identification Number Revenues Revenues [Abstract] Long-Term Debt, Type Long-Term Debt, Type [Axis] Reverse Unit Split Ratio Reverse unit split ratio. Reverse unit split ratio Exchange of Common Units for Shares of Common Stock Exchange Of Common Units For Shares Of Common Stock [Abstract] Exchange of common units for shares of common stock. Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Real Estate Loan Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Real Estate Loans Receivable VA - Corpus Christi VA - Corpus Christi [Member] VA - Corpus Christi. Interest Income, Other Interest income Construction in progress Construction in Progress, Gross Work-in-Progress Local Phone Number Local Phone Number Below Market Lease, Amortization Income, Year Four 2030 Series A Senior Notes [Member] Series A Senior Notes [Member] Series A senior notes. Payments of Financing Costs, Total Payments of Financing Costs Payment of deferred financing costs Accounting Policies [Abstract] Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Business Combination, Acquired Net Investment in Lease, Direct Financing Lease Net investment in finance lease Total revenues Income recognized Revenue from Contract with Customer, Excluding Assessed Tax Interest Rate Cash Flow Hedge Derivative at Fair Value, Net, Total Fair Value Interest Rate Cash Flow Hedge Derivative at Fair Value, Net Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeiture of unvested restricted stock, (in shares) Lessee, Operating Lease, Liability, to be Paid, Year Four 2030 Allocation of non-controlling interest in Operating Partnership Increase Decrease In Allocation Of Non Controlling Interest In Operating Partnership Increase decrease allocation of non-controlling interest in operating partnership. Class of Stock Class of Stock [Domain] Share available for issuance under equity incentive plan Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Weighted average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Private tenants. Private Tenants [Member] Private Tenants [Member] Underwriters option to purchase additional shares Underwriters Option To Purchase Additional Shares Underwriters option to purchase additional shares. Entity Emerging Growth Company Entity Emerging Growth Company Chief Executive Officer and Chief Financial and Accounting Officer [Member] Chief executive officer and chief financial and accounting officer.