Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Rental revenue		$ 721,750		$ 711,470		$ 702,819
Other income		13,821		9,721		9,137
Total revenues		757,451		742,788		740,377
Operating		303,278		293,965		277,422
Depreciation and amortization		239,542		250,644		232,517
Total expenses		610,076		607,017		569,896
Interest and other (loss) income, net		30,455		14,837		5,174
Interest and debt expense		(166,952)		(152,990)		(143,864)
Loss before income taxes		(36,336)		(369,877)		(24,932)
Income tax expense		(2,058)		(1,426)		(3,265)
Net loss attributable to common stockholders		(46,288)		(259,744)		(36,403)
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		1,567,771		1,528,595
Cash and cash equivalents and restricted cash		154,669		167,355
Intangible assets, net		42,672		52,164
For-sale residential condominium units	[1]	195,113		246,824
Deferred rent receivable		42,128		35,448
Other assets		26,813		48,731
Total assets		2,029,166		2,079,117
Notes and mortgages payable, net		1,783,587		1,744,706
Accounts payable and accrued expenses		59,860		92,770
Intangible liabilities, net		2,480		5,026
Other liabilities		73,129		5,692
Total liabilities		1,919,056		1,848,194
Equity		110,110		230,923
Total liabilities and equity		2,029,166		2,079,117
Rental revenue		138,390		155,549		194,031
Other income	[2]	34,782		11,234		65,850
Total revenues		173,172		166,783		259,881
Operating	[2]	138,121	[3]	169,826	[3]	152,313
Depreciation and amortization		46,522		67,727		85,949
Total expenses		184,643		237,553		238,262
Interest and other (loss) income, net		6,187		3,035		991
Interest and debt expense		(62,234)		(73,485)		(62,173)
Gain on settlement of interest rate swap		2,498
Real estate impairment loss		(87,160)	[4]	(917,044)	[5]	(64,663)	[6]
Loss before income taxes		(152,180)		(1,058,264)		(104,226)
Income tax expense		(26)		(32)		(60)
Net loss attributable to common stockholders		$ (152,206)		$ (1,058,296)		$ (104,286)

[1] Represents residential condominium units at One Steuart Lane that are available for sale

[2] Includes proceeds and cost of sales from the sale of residential condominium units at One Steuart Lane.

[3] Includes impairment losses related to condominium units at One Steuart Lane of $32,366 and $68,407 in the years ended December 31, 2024 and 2023, respectively, of which RDF’s share was $11,328 and $23,942, respectively. See note 8 on page

[4] Represents real estate impairment losses related to 55 Second Street of which our share was $29,818. See note 6 on page 84.

[5] Represents real estate impairment losses related to 60 Wall Street, Market Center and 55 Second Street of which our share was $24,734, $148,906 and $52,590, respectively. See notes 3, 5, and 6 on page 84.

[6] Represents a real estate impairment loss on 111 Sutter Street, of which our share was $31,685. See note 7 on page 84.