Investments in Unconsolidated Joint Ventures - Mortgages and Other Loans Payable (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) extension	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Total fixed rate debt	$ 3,165,814,000	$ 1,073,409,000
Total floating rate debt	70,148,000	361,051,000
Deferred financing costs, net	(8,399,000)	(5,537,000)
Joint venture
Debt Instrument [Line Items]
Total fixed rate debt	10,855,657,000	8,216,666,000
Total floating rate debt	1,629,980,000	2,999,726,000
Total fixed rate and floating rate debt	12,485,637,000	11,216,392,000
Deferred financing costs, net	(136,683,000)	(130,516,000)
Total joint venture mortgages and other loans payable, net	$ 12,348,954,000	11,085,876,000
Joint venture | 717 Fifth Avenue | Wharton Properties / Private Investor
Debt Instrument [Line Items]
Economic Interest, percent	10.92%
Joint venture | 650 Fifth Avenue
Debt Instrument [Line Items]
Total fixed rate debt	$ 0	275,000,000
Joint venture | 650 Fifth Avenue | Wharton Properties
Debt Instrument [Line Items]
Economic Interest, percent	50.00%
Interest rate, floating rate debt (as a percent)	2.50%
Total floating rate debt	$ 210,000,000	0
Joint venture | 21 East 66th Street | Private Investors
Debt Instrument [Line Items]
Economic Interest, percent	32.28%
Interest rate, fixed rate debt (as a percent)	3.60%
Total fixed rate debt	$ 12,000,000	12,000,000
Joint venture | 21 East 66th Street | RXR Realty led investment group
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)	2.75%
Total floating rate debt	$ 586,000	632,000
Joint venture | 919 Third Avenue | New York State Teacher's Retirement System
Debt Instrument [Line Items]
Economic Interest, percent	51.00%
Interest rate, fixed rate debt (as a percent)	5.12%
Total fixed rate debt	$ 500,000,000	500,000,000
Joint venture | 220 East 42nd Street | A Fund Managed By Meritz Alternative Investment Management
Debt Instrument [Line Items]
Economic Interest, percent	51.00%
Interest rate, fixed rate debt (as a percent)	5.75%
Total fixed rate debt	$ 510,000,000	0
Total floating rate debt	$ 0	510,000,000
Joint venture | 280 Park Avenue | Vornado Realty Trust
Debt Instrument [Line Items]
Economic Interest, percent	50.00%
Interest rate, fixed rate debt (as a percent)	5.81%
Total fixed rate debt	$ 1,200,000,000	0
Total floating rate debt	$ 0	1,200,000,000
Joint venture | 5 Times Square | RXR Realty led investment group
Debt Instrument [Line Items]
Economic Interest, percent	31.55%
Interest rate, fixed rate debt (as a percent)	7.00%
Interest rate, floating rate debt (as a percent)	5.77%
Total fixed rate debt	$ 400,000,000	0
Total floating rate debt	$ 495,924,000	0
Joint venture | 10 East 53rd Street | Canadian Pension Plan Investment Board
Debt Instrument [Line Items]
Economic Interest, percent	55.00%
Interest rate, fixed rate debt (as a percent)	5.35%
Total fixed rate debt	$ 220,000,000	0
Total floating rate debt	$ 0	220,000,000
Joint venture | 1515 Broadway | Allianz Real Estate of America
Debt Instrument [Line Items]
Economic Interest, percent	56.87%
Interest rate, fixed rate debt (as a percent)	3.93%
Total fixed rate debt	$ 782,321,000	801,845,000
Joint venture | 450 Park Avenue | Korean Institutional Investor / Israeli Institutional Investor
Debt Instrument [Line Items]
Economic Interest, percent	25.10%
Interest rate, fixed rate debt (as a percent)	6.10%
Total fixed rate debt	$ 267,000,000	0
Joint venture | 11 Madison Avenue | PGIM Real Estate
Debt Instrument [Line Items]
Economic Interest, 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
Joint venture | One Madison Avenue | Private Investors
Debt Instrument [Line Items]
Total floating rate debt	$ 0	169,629,000
Joint venture | One Madison Avenue | National Pension Service of Korea / Hines Interest LP / International Investor
Debt Instrument [Line Items]
Economic Interest, percent	25.50%
Interest rate, fixed rate debt (as a percent)	3.94%
Total fixed rate debt	$ 467,008,000	0
Joint venture | 800 Third Avenue | Private Investors
Debt Instrument [Line Items]
Economic Interest, percent	60.52%
Interest rate, fixed rate debt (as a percent)	3.48%
Total fixed rate debt	$ 177,000,000	177,000,000
Joint venture | Worldwide Plaza | RXR Realty / New York REIT
Debt Instrument [Line Items]
Economic Interest, 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
Joint venture | One Vanderbilt Avenue | National Pension Service of Korea / Hines Interest LP
Debt Instrument [Line Items]
Economic Interest, 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
Joint venture | Stonehenge Portfolio
Debt Instrument [Line Items]
Total fixed rate debt	$ 0	195,493,000
Joint venture | Broadway 1552 to 1560 | Wharton Properties
Debt Instrument [Line Items]
Economic Interest, percent	50.00%
Interest rate, floating rate debt (as a percent)	2.65%
Total floating rate debt	$ 193,132,000	193,132,000
Joint venture | 121 Greene Street (5) | Wharton Properties
Debt Instrument [Line Items]
Economic Interest, percent	50.00%
Interest rate, floating rate debt (as a percent)	2.10%
Total floating rate debt	$ 12,550,000	13,228,000
Joint venture | 2 Herald Square | Israeli Institutional Investor
Debt Instrument [Line Items]
Economic Interest, percent	51.00%
Interest rate, floating rate debt (as a percent)	2.06%
Total floating rate debt	$ 182,500,000	200,989,000
Joint venture | 11 West 34th Street | Private Investor / Wharton Properties
Debt Instrument [Line Items]
Economic Interest, percent	30.00%
Interest rate, floating rate debt (as a percent)	1.45%
Total floating rate debt	$ 23,000,000	23,000,000
Joint venture | 115 Spring Street | Private Investors
Debt Instrument [Line Items]
Economic Interest, percent	51.00%
Interest rate, floating rate debt (as a percent)	3.40%
Total floating rate debt	$ 65,550,000	65,550,000
Joint venture | 100 Park Avenue | Prudential Real Estate Investors
Debt Instrument [Line Items]
Economic Interest, percent	49.90%
Interest rate, floating rate debt (as a percent)	2.25%
Total floating rate debt	$ 360,000,000	360,000,000
Joint venture | 15 Beekman | A Fund Managed By Meritz Alternative Investment Management
Debt Instrument [Line Items]
Economic Interest, percent	20.00%
Interest rate, floating rate debt (as a percent)	1.50%
Total floating rate debt	$ 86,738,000	43,566,000
Joint venture | Mortgage loan | 717 Fifth Avenue | Wharton Properties / Private Investor
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)	5.02%
Total fixed rate debt	$ 655,328,000	655,328,000
Joint venture | Mortgage loan | 650 Fifth Avenue | Wharton Properties
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)	5.45%
Total fixed rate debt	$ 65,000,000	$ 0
Joint venture | Construction Loans | One Madison Avenue
Debt Instrument [Line Items]
Maximum facility capacity	$ 1,250,000,000
Term	5 years
Number of extension options | extension	1
Period of extension option	1 year
Joint venture | Construction Loans | Broadway 1552 to 1560
Debt Instrument [Line Items]
Period of extension option	1 month
Joint venture | Construction Loans | 15 Beekman
Debt Instrument [Line Items]
Maximum facility capacity	$ 125,000,000