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Real Estate - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Oct. 01, 2024
Real Estate Properties [Line Items]
Below market lease, carrying amount	$ 21,800,000	$ 23,300,000
Below market lease, accumulated amortization	18,000,000	18,600,000
Accretion income, intangible liabilities	900,000	1,300,000	$ 1,300,000
Lease acquisition costs
Real Estate Properties [Line Items]
Intangible assets gross carrying amount	9,400,000	10,600,000
Intangible assets, accumulated amortization	8,400,000	9,400,000
Amortization expense	$ 200,000	300,000	400,000
Weighted-average amortization period	4 years 6 months
Above Market Leases
Real Estate Properties [Line Items]
Intangible assets gross carrying amount	$ 600,000	600,000
Intangible assets, accumulated amortization	260,600	227,700
Amortization expense	$ 32,900	$ 32,900	$ 32,900
Weighted-average amortization period	5 years 3 months 18 days
Below Market Leases
Real Estate Properties [Line Items]
Weighted-average amortization period	5 years 1 month 6 days
Twinbrook Quarter Phase I - Retail and Residential
Real Estate Properties [Line Items]
Accumulated capitalized interest costs				$ 299,500,000
Twinbrook Quarter - Other
Real Estate Properties [Line Items]
Accumulated capitalized interest costs				$ 46,000,000.0

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