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Related Party Transactions (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Related Party Transactions
Payments made for services		$ 0	$ 3,563	$ 5,695	$ 8,827
Operating lease rent		7,388	6,557	20,429	20,003
Rental revenue, net		162,952	155,363	474,215	528,063
Amounts due from/to related parties
Due from joint ventures		26,539		26,539		$ 28,204
Other		748		748		1,204
Related party receivables		27,287		27,287		$ 29,408
One Vanderbilt Avenue
Related Party Transactions
Operating lease rent		700	700	2,200	1,600
SUMMIT One Vanderbilt
Related Party Transactions
Operating lease rent		8,300		26,000
Rental revenue, net		5,500		17,400
Alliance Building Services
Related Party Transactions
Profit participation from related party		0	400	1,400	1,100
Payments made for services		0	3,800	8,600	9,400
Entity with Stephen L Green ownership interest
Related Party Transactions
Property management fees from related party		100	$ 200	500	$ 500
Marc Holliday \| One Vanderbilt Avenue
Related Party Transactions
Due from related party		1,400		1,400
Andrew Mathias \| One Vanderbilt Avenue
Related Party Transactions
Due from related party		$ 1,000		$ 1,000
Affiliated Entity \| Holiday And Mathias \| One Vanderbilt Avenue
Related Party Transactions
Stabilization of property, within three years after stabilization, percent				50.00%
Stabilization period				3 years
Stabilization of property, three years or more after stabilization, percent				100.00%
Stabilization of property, anniversary period				7 years
Affiliated Entity \| Holiday \| Property Interest Liquidation \| One Vanderbilt Avenue
Related Party Transactions
Stabilization of property, liquidation value, amount monetized				$ 17,900
Affiliated Entity \| Mathias \| Property Interest Liquidation \| One Vanderbilt Avenue
Related Party Transactions
Stabilization of property, liquidation value, amount monetized				$ 11,900
Minimum \| Marc Holliday \| One Vanderbilt Avenue
Related Party Transactions
Percentage of profits due to investors (as a percentage)	1.50%
Minimum \| Andrew Mathias \| One Vanderbilt Avenue
Related Party Transactions
Percentage of profits due to investors (as a percentage)	1.00%
Maximum \| Marc Holliday \| One Vanderbilt Avenue
Related Party Transactions
Percentage of profits due to investors (as a percentage)	1.80%
Maximum \| Andrew Mathias \| One Vanderbilt Avenue
Related Party Transactions
Percentage of profits due to investors (as a percentage)	1.20%