Investments in Unconsolidated Joint Ventures - Schedule of Mortgage Notes and Other Loans Payable Collateralized by the Respective Joint Venture Properties and Assignment of Leases (Details)	6 Months Ended
	Jun. 30, 2024 USD ($) extension	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Total fixed rate debt	$ 1,589,399,000	$ 1,387,386,000
Total floating rate debt	60,493,000	110,000,000
Joint venture
Debt Instrument [Line Items]
Total fixed rate debt	10,452,147,000	12,000,559,000
Total floating rate debt	3,231,517,000	2,902,780,000
Total fixed rate and floating rate debt	13,683,664,000	14,903,339,000
Deferred financing costs, net	(89,982,000)	(104,062,000)
Total joint venture mortgages and other loans payable, net	13,593,682,000	14,799,277,000
Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	5,425,435,000	6,053,808,000
Total floating rate debt	1,440,755,000	1,298,467,000
Total fixed rate and floating rate debt	6,866,190,000	7,352,275,000
Deferred financing costs, net	(49,691,000)	(54,865,000)
Total joint venture mortgages and other loans payable, net	$ 6,816,499,000	7,297,410,000
220 East 42nd Street (9) | A fund managed by Meritz Alternative Investment Management | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	51.00%
Interest rate, fixed rate debt (as a percent)	2.86%
Total fixed rate debt	$ 505,412,000	0
220 East 42nd Street (9) | A fund managed by Meritz Alternative Investment Management | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 257,760,000	0
220 East 42nd Street (9) | National Pension Service of Korea / Hines Interest LP | Joint venture
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)
Total fixed rate debt	$ 0	505,412,000
220 East 42nd Street (9) | National Pension Service of Korea / Hines Interest LP | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 0	257,760,000
650 Fifth Avenue | Wharton Properties | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	50.00%
Interest rate, fixed rate debt (as a percent)	5.45%
Interest rate, floating rate debt (as a percent)	2.25%
Total fixed rate debt	$ 65,000,000	65,000,000
Total floating rate debt	210,000,000	210,000,000
650 Fifth Avenue | Wharton Properties | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	32,500,000	32,500,000
Total floating rate debt	$ 105,000,000	105,000,000
5 Times Square | RXR Realty led investment group | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	31.55%
Interest rate, fixed rate debt (as a percent)	7.23%
Interest rate, floating rate debt (as a percent)	5.59%
Total fixed rate debt	$ 551,020,000	477,783,000
Total floating rate debt	608,609,000	610,010,000
5 Times Square | RXR Realty led investment group | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	173,847,000	150,740,000
Total floating rate debt	$ 192,016,000	192,458,000
1515 Broadway | Allianz Real Estate of America | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	56.87%
Interest rate, fixed rate debt (as a percent)	3.93%
Total fixed rate debt	$ 751,580,000	762,002,000
1515 Broadway | Allianz Real Estate of America | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 427,416,000	433,344,000
115 Spring Street | Private Investors | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	51.00%
Interest rate, fixed rate debt (as a percent)	5.50%
Total fixed rate debt	$ 65,550,000	65,550,000
115 Spring Street | Private Investors | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 33,431,000	33,431,000
450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	25.10%
Interest rate, fixed rate debt (as a percent)	6.10%
Total fixed rate debt	$ 279,059,000	271,394,000
450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 70,044,000	68,120,000
11 Madison Avenue | PGIM Real Estate | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	60.00%
Interest rate, fixed rate debt (as a percent)	3.84%
Total fixed rate debt	$ 1,400,000,000	1,400,000,000
11 Madison Avenue | PGIM Real Estate | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	840,000,000	840,000,000
One Madison Avenue | Joint venture | Construction Loans
Debt Instrument [Line Items]
Maximum facility capacity	$ 1,250,000,000
Term	5 years
Number of extension options | extension	1
Period of extension options	1 year
One Madison Avenue | National Pension Service of Korea / Hines Interest LP / International Investor | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	25.50%
Interest rate, fixed rate debt (as a percent)	7.10%
Total fixed rate debt	$ 574,938,000	733,103,000
One Madison Avenue | National Pension Service of Korea / Hines Interest LP / International Investor | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 146,609,000	186,941,000
One Madison Avenue | Prudential Real Estate Investors | Joint venture
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)	3.10%
Total floating rate debt	$ 256,363,000	0
One Madison Avenue | Prudential Real Estate Investors | Joint venture | Common Stock
Debt Instrument [Line Items]
Total floating rate debt	$ 65,373,000	0
15 Beekman | A fund managed by Meritz Alternative Investment Management | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	20.00%
Interest rate, fixed rate debt (as a percent)	5.99%
Interest rate, floating rate debt (as a percent)
Total fixed rate debt	$ 120,000,000	0
Total floating rate debt	0	124,137,000
15 Beekman | A fund managed by Meritz Alternative Investment Management | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	24,000,000	0
Total floating rate debt	$ 0	24,827,000
800 Third Avenue | Private Investors | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	60.52%
Interest rate, fixed rate debt (as a percent)	3.37%
Total fixed rate debt	$ 177,000,000	177,000,000
800 Third Avenue | Private Investors | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 107,120,000	107,120,000
919 Third Avenue | New York State Teacher's Retirement System | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	51.00%
Interest rate, fixed rate debt (as a percent)	6.11%
919 Third Avenue | New York State Teacher's Retirement System | Joint venture | Mortgage loan
Debt Instrument [Line Items]
Total fixed rate debt	$ 500,000,000	500,000,000
919 Third Avenue | New York State Teacher's Retirement System | Joint venture | Common Stock | Mortgage loan
Debt Instrument [Line Items]
Total fixed rate debt	$ 255,000,000	255,000,000
625 Madison Avenue | Private Investor | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	90.93%
625 Madison Avenue | Winthrop Capital Advisors | Joint venture
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)
Total fixed rate debt	$ 0	199,987,000
625 Madison Avenue | Winthrop Capital Advisors | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 0	180,848,000
245 Park Avenue | U.S. Affiliate of Mori Trust Co., Ltd | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	50.10%
Interest rate, fixed rate debt (as a percent)	4.30%
Total fixed rate debt	$ 1,768,000,000	1,768,000,000
245 Park Avenue | U.S. Affiliate of Mori Trust Co., Ltd | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 885,768,000	885,768,000
Worldwide Plaza | RXR Realty / New York REIT | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	24.95%
Interest rate, fixed rate debt (as a percent)	3.98%
Total fixed rate debt	$ 1,200,000,000	1,200,000,000
Worldwide Plaza | RXR Realty / New York REIT | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 299,400,000	299,400,000
One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	71.01%
Interest rate, fixed rate debt (as a percent)	2.95%
Total fixed rate debt	$ 3,000,000,000	3,000,000,000
One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	2,130,300,000	2,130,300,000
10 East 53rd Street
Debt Instrument [Line Items]
Total fixed rate debt	$ 205,000,000	0
10 East 53rd Street | Canadian Pension Plan Investment Board | Joint venture
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)
Total fixed rate debt	$ 0	220,000,000
10 East 53rd Street | Canadian Pension Plan Investment Board | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 0	121,000,000
717 Fifth Avenue | Wharton Properties / Private Investor | Joint venture
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)
Total fixed rate debt	$ 0	655,328,000
717 Fifth Avenue | Wharton Properties / Private Investor | Joint venture | Common Stock
Debt Instrument [Line Items]
Total fixed rate debt	$ 0	71,536,000
11 West 34th Street | Private Investor / Wharton Properties | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	30.00%
Interest rate, floating rate debt (as a percent)	1.45%
Total floating rate debt	$ 23,000,000	23,000,000
11 West 34th Street | Private Investor / Wharton Properties | Joint venture | Common Stock
Debt Instrument [Line Items]
Total floating rate debt	$ 6,900,000	6,900,000
1552 Broadway | Wharton Properties | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	50.00%
Interest rate, floating rate debt (as a percent)	2.75%
Total floating rate debt	$ 193,133,000	193,133,000
1552 Broadway | Wharton Properties | Joint venture | Common Stock
Debt Instrument [Line Items]
Total floating rate debt	$ 96,566,000	96,567,000
100 Park Avenue | Prudential Real Estate Investors | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	49.90%
Interest rate, floating rate debt (as a percent)	2.36%
Total floating rate debt	$ 360,000,000	360,000,000
100 Park Avenue | Prudential Real Estate Investors | Joint venture | Common Stock
Debt Instrument [Line Items]
Total floating rate debt	$ 179,640,000	179,640,000
280 Park Avenue | Vornado Realty Trust | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	50.00%
Interest rate, floating rate debt (as a percent)	1.78%
Total floating rate debt	$ 1,075,000,000	1,200,000,000
280 Park Avenue | Vornado Realty Trust | Joint venture | Common Stock
Debt Instrument [Line Items]
Total floating rate debt	$ 537,500,000	600,000,000
2 Herald Square | Israeli Institutional Investor | Joint venture
Debt Instrument [Line Items]
Economic Interest (as a percent)	95.00%
Interest rate, floating rate debt (as a percent)
Total floating rate debt	$ 0	182,500,000
2 Herald Square | Israeli Institutional Investor | Joint venture | Common Stock
Debt Instrument [Line Items]
Total floating rate debt	$ 0	$ 93,075,000