Investments in Unconsolidated Joint Ventures - Schedule of General Information on Joint Ventures (Details)	1 Months Ended		3 Months Ended		12 Months Ended
	Jan. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2024 USD ($) ft²	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023	Dec. 31, 2021
General information on each joint venture
Depreciable real estate reserves and impairment | $			$ (52,118,000)	$ 0
Mortgages and other loans payable, net | $			1,695,163,000		$ 1,491,319,000
Ownership percentage deconsolidated						50.10%
Investment fair value adjustment | $					17,000,000
245 Park Avenue
General information on each joint venture
Ownership interest disposed						49.90%
625 Madison Avenue
General information on each joint venture
Depreciable real estate reserves and impairment | $		$ 23,100,000	5,900,000
Joint venture
General information on each joint venture
Mortgages and other loans payable, net | $			$ 13,824,249,000		$ 14,799,277,000
Joint venture | 2 Herald Square
General information on each joint venture
Consideration transferred | $	$ 0
Investment in joint venture, ownership percentage	95.00%
Prudential Real Estate Investors | Joint venture | 100 Park Avenue
General information on each joint venture
Ownership Interest			49.90%
Economic Interest (as a percent)			49.90%
Approximate Square Feet unaudited (sqft)			834,000
Private Investors | Joint venture | 800 Third Avenue
General information on each joint venture
Ownership Interest			60.52%
Economic Interest (as a percent)			60.52%
Approximate Square Feet unaudited (sqft)			526,000
Private Investors | Joint venture | 115 Spring Street
General information on each joint venture
Ownership Interest			51.00%
Economic Interest (as a percent)			51.00%
Approximate Square Feet unaudited (sqft)			5,218
New York State Teacher's Retirement System | Joint venture | 919 Third Avenue
General information on each joint venture
Ownership Interest			51.00%
Economic Interest (as a percent)			51.00%
Approximate Square Feet unaudited (sqft)			1,454,000
Private Investor / Wharton Properties | Joint venture | 11 West 34th Street
General information on each joint venture
Ownership Interest			30.00%
Economic Interest (as a percent)			30.00%
Approximate Square Feet unaudited (sqft)			17,150
Vornado Realty Trust | Joint venture | 280 Park Avenue
General information on each joint venture
Ownership Interest			50.00%
Economic Interest (as a percent)			50.00%
Approximate Square Feet unaudited (sqft)			1,219,158
Wharton Properties | Joint venture | 1552-1560 Broadway
General information on each joint venture
Ownership Interest			50.00%
Approximate Square Feet unaudited (sqft)			57,718
Wharton Properties | Joint venture | 650 Fifth Avenue
General information on each joint venture
Ownership Interest			50.00%
Economic Interest (as a percent)			50.00%
Approximate Square Feet unaudited (sqft)			69,214
PGIM Real Estate | Joint venture | 11 Madison Avenue
General information on each joint venture
Ownership Interest			60.00%
Economic Interest (as a percent)			60.00%
Approximate Square Feet unaudited (sqft)			2,314,000
National Pension Service of Korea / Hines Interest LP | Joint venture | One Vanderbilt Avenue
General information on each joint venture
Ownership Interest			71.01%
Economic Interest (as a percent)			71.01%
Approximate Square Feet unaudited (sqft)			1,657,198
RXR Realty / New York REIT | Joint venture | Worldwide Plaza
General information on each joint venture
Ownership Interest			24.95%
Economic Interest (as a percent)			24.95%
Approximate Square Feet unaudited (sqft)			2,048,725
Allianz Real Estate of America | Joint venture | 1515 Broadway
General information on each joint venture
Ownership Interest			56.87%
Economic Interest (as a percent)			56.87%
Approximate Square Feet unaudited (sqft)			1,750,000
Israeli Institutional Investor | Joint venture | 2 Herald Square
General information on each joint venture
Ownership Interest			95.00%
Economic Interest (as a percent)			95.00%
Approximate Square Feet unaudited (sqft)			369,000
A fund managed by Meritz Alternative Investment Management | Joint venture | 15 Beekman
General information on each joint venture
Ownership Interest			20.00%
Economic Interest (as a percent)			20.00%
Approximate Square Feet unaudited (sqft)			221,884
A fund managed by Meritz Alternative Investment Management | Joint venture | 220 East 42nd Street
General information on each joint venture
Ownership Interest			51.00%
Economic Interest (as a percent)			51.00%
Approximate Square Feet unaudited (sqft)			1,135,000
Wells Fargo | Joint venture | 85 Fifth Avenue
General information on each joint venture
Ownership Interest			36.27%
Economic Interest (as a percent)			36.27%
Approximate Square Feet unaudited (sqft)			12,946
National Pension Service of Korea / Hines Interest LP / International Investor | One Madison Avenue
General information on each joint venture
Investment in joint venture aggregate maximum ownership percentage							25.00%
National Pension Service of Korea / Hines Interest LP / International Investor | Joint venture | One Madison Avenue
General information on each joint venture
Ownership Interest			25.50%
Economic Interest (as a percent)			25.50%
Approximate Square Feet unaudited (sqft)			1,048,700
Korean Institutional Investor / Israeli Institutional Investor | 450 Park Avenue | Third-Party
General information on each joint venture
Ownership Interest			49.90%
Investment in joint venture, partners' ownership percentage			25.00%
Korean Institutional Investor / Israeli Institutional Investor | Joint venture | 450 Park Avenue
General information on each joint venture
Ownership Interest			50.10%
Economic Interest (as a percent)			25.10%
Approximate Square Feet unaudited (sqft)			337,000
Investment in joint venture, ownership percentage			25.10%
RXR Realty led investment group | Joint venture | 5 Times Square
General information on each joint venture
Ownership Interest			31.55%
Economic Interest (as a percent)			31.55%
Approximate Square Feet unaudited (sqft)			1,131,735
U.S. Affiliate of Mori Trust Co., Ltd | Joint venture | 245 Park Avenue
General information on each joint venture
Ownership Interest			50.10%
Economic Interest (as a percent)			50.10%
Approximate Square Feet unaudited (sqft)			1,782,793
Private Investor | Joint venture | 625 Madison Avenue
General information on each joint venture
Ownership Interest		90.43%	90.43%
Approximate Square Feet unaudited (sqft)			563,000