Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
111 Sutter Street [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss				$ 31,685		$ 31,685
One Steuart Lane [Member]
Schedule of Equity Method Investments [Line Items]
Impairment loss on for sale condominium units		$ 68,407			$ 68,407
One Steuart Lane [Member] | Residential Development Fund's [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of impairment loss on for sale condominium units		$ 23,942			23,942
Market Center [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss	$ 229,054				229,054
Recognized real estate impairment loss	148,906				148,906
55 Second Street [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss	52,590				52,590
60 Wall Street [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss			$ 24,734		24,734
Unconsolidated Joint Ventures [Member] | 111 Sutter Street [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss						$ 31,685
Unconsolidated Joint Ventures [Member] | One Steuart Lane [Member]
Schedule of Equity Method Investments [Line Items]
Impairment loss on for sale condominium units					68,407
Unconsolidated Joint Ventures [Member] | One Steuart Lane [Member] | Residential Development Fund's [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of impairment loss on for sale condominium units					23,942
Unconsolidated Joint Ventures [Member] | Market Center [Member]
Schedule of Equity Method Investments [Line Items]
Recognized real estate impairment loss	148,906				148,906
Unconsolidated Joint Ventures [Member] | 55 Second Street [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss	$ 52,590				52,590
Unconsolidated Joint Ventures [Member] | 60 Wall Street [Member]
Schedule of Equity Method Investments [Line Items]
Proportionate share of real estate impairment loss					$ 24,734