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Debt - Mortgage Loans - Schedule and Narratives (Details) - USD ($) $ in Thousands	1 Months Ended			6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Feb. 28, 2025	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Debt
Repayments of mortgage loans				$ 505,897	$ 1,560
8001 Woodmont \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Debt
Repayments of mortgage loans			$ 99,700	99,700
WestEnd25 \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Debt
Repayments of mortgage loans	$ 97,500			$ 97,500
Mortgage loans
Debt
Variable rate	5.57%			5.57%
Variable rate amount	$ 545,900			$ 545,900		$ 587,254
Fixed rate	5.22%			5.22%
Fixed rate amount	$ 1,009,519			$ 1,009,519		1,196,479
Debt, gross	1,555,419			1,555,419		1,783,733
Unamortized deferred financing costs and premium/ discount, net	(14,749)			(14,749)		(16,560)
Long-term debt, net	$ 1,540,670			$ 1,540,670		1,767,173
Weighted average interest rate cap strike	3.15%			3.15%
SOFR at end of period	4.32%			4.32%
Net carrying value of real estate collateralizing the mortgages loans	$ 1,700,000			$ 1,700,000		2,100,000
Mortgage loans \| Interest Rate Contract
Debt
Derivative notional amount	$ 799,100			$ 799,100		$ 1,400,000
Mortgage loans \| Assets pledged as collateral \| Ashley, Potomac and James buildings
Debt
Fixed rate		5.03%
Repayments of mortgage loans		$ 307,700
Interest only payment period		5 years
Principal amount		$ 258,900