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Debt - Mortgage Loans - Schedule and Narratives (Details) - USD ($) $ in Thousands	1 Months Ended					12 Months Ended
	Dec. 31, 2024	Nov. 30, 2024	Sep. 30, 2024	Jun. 30, 2023	Jan. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt
Gain on extinguishment of debt						$ 9,235	$ (450)	$ (3,073)
Repayments of mortgage loans						197,954	281,854	$ 270,676
Debt, gross	$ 2,588,733					$ 2,588,733
Mortgage loans
Debt
Variable rate	5.58%					5.58%
Variable rate amount	$ 587,254					$ 587,254	608,582
Fixed rate	4.79%					4.79%
Fixed rate amount	$ 1,196,479					$ 1,196,479	1,189,643
Debt, gross	1,783,733					1,783,733	1,798,225
Unamortized deferred financing costs and premium/ discount, net	(16,560)					(16,560)	(15,211)
Long-term debt, net	$ 1,767,173					$ 1,767,173	1,783,014
Weighted average interest rate cap strike	3.36%					3.36%
Net carrying value of real estate collateralizing the mortgages loans	$ 2,100,000					$ 2,100,000	2,200,000
Mortgage loans \| One-Month Term SOFR
Debt
SOFR at end of period	4.33%					4.33%
Mortgage loans \| 30-day Average SOFR
Debt
Average SOFR rate	4.53%					4.53%
Mortgage loans \| Interest Rate Contract
Debt
Derivative notional amount	$ 1,400,000					$ 1,400,000	$ 1,700,000
Mortgage loans \| Assets pledged as collateral \| 2121 Crystal Drive
Debt
Repayments of mortgage loans					$ 131,500
Fixed rate					5.51%
Mortgage loans \| Assets pledged as collateral \| The Grace and The Reva
Debt
Principal amount		$ 273,600
Debt Instrument, Term		5 years
Fixed rate		5.19%
Mortgage loans \| Assets pledged as collateral \| Wren and First residence
Debt
Principal amount					$ 187,600
Debt Instrument, Term					7 years
Fixed rate					5.13%
Mortgage loans \| Assets pledged as collateral \| 2101 L Street
Debt
Principal amount	120,900					$ 120,900
Gain on extinguishment of debt	9,200
Repayments of mortgage loans	$ 6,700
Mortgage loans \| Assets pledged as collateral \| 201 12th Street S., 200 12th Street S., and 251 18th Street S.
Debt
Repayments of mortgage loans			$ 83,300
Mortgage loans \| Assets pledged as collateral \| Falkland Chase-South & West and 800 North Glebe Road
Debt
Repayments of mortgage loans				$ 142,400