Investments in Unconsolidated Joint Ventures - Information about Joint Ventures (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2023 USD ($) ft² unit partner	Jun. 30, 2023 USD ($) ft² unit partner	Jun. 30, 2023 USD ($) ft² unit partner	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
General information on each joint venture
Company's investments in unconsolidated joint ventures | $	$ 3,228,663	$ 3,228,663	$ 3,228,663		$ 3,190,137
Net equity investment in VIEs in which the entity is not primary beneficiary | $	$ 78,700	$ 78,700	$ 78,700		$ 86,200
Unaudited Approximate Square Feet (sqft)	29,708,910	29,708,910	29,708,910
Ownership percentage deconsolidated	50.10%	50.10%	50.10%
Investment fair value adjustment | $	$ 17,000	$ 17,000	$ 17,000
National Pension Service of Korea / Hines Interest LP / International Investor | One Madison Avenue
General information on each joint venture
Ownership percentage deconsolidated				50.50%
Investment fair value adjustment | $				$ 187,500
Investment in joint venture aggregate equity committed by partner | $				$ 501,800		$ 259,300
Investment in joint venture aggregate maximum ownership percentage				49.50%		25.00%
Investment in joint venture, number of partners | partner	2	2	2
Investment in joint venture, partners' ownership percentage	40.00%	40.00%	40.00%
Third-Party | Korean Institutional Investor / Israeli Institutional Investor | 450 Park Avenue
General information on each joint venture
Ownership Interest	49.90%	49.90%	49.90%
Investment in joint venture, partners' ownership percentage	25.00%	25.00%	25.00%
Three Retail and Two Residential Units | Private Investors | 21 East 66th Street
General information on each joint venture
Ownership Interest	32.28%	32.28%	32.28%
Number of stores | unit	3	3	3
Number of residential units | unit	1	1	1
Three Residential Units | Private Investors | 21 East 66th Street
General information on each joint venture
Ownership Interest	16.14%	16.14%	16.14%
Number of residential units | unit	2	2	2
Joint venture
General information on each joint venture
Company's investments in unconsolidated joint ventures | $	$ 3,228,663	$ 3,228,663	$ 3,228,663
Equity method investments with negative book value | $	$ 122,500	$ 122,500	$ 122,500
Joint venture | Prudential Real Estate Investors | 100 Park Avenue
General information on each joint venture
Ownership Interest	49.90%	49.90%	49.90%
Economic Interest	49.90%	49.90%	49.90%
Unaudited Approximate Square Feet (sqft)	834,000	834,000	834,000
Joint venture | Wharton Properties / Private Investor | 717 Fifth Avenue
General information on each joint venture
Ownership Interest	10.92%	10.92%	10.92%
Economic Interest	10.92%	10.92%	10.92%
Unaudited Approximate Square Feet (sqft)	119,500	119,500	119,500
Joint venture | Private Investors | 800 Third Avenue
General information on each joint venture
Ownership Interest	60.52%	60.52%	60.52%
Economic Interest	60.52%	60.52%	60.52%
Unaudited Approximate Square Feet (sqft)	526,000	526,000	526,000
Joint venture | Private Investors | 21 East 66th Street
General information on each joint venture
Ownership Interest	32.28%	32.28%	32.28%
Unaudited Approximate Square Feet (sqft)	13,069	13,069	13,069
Joint venture | Private Investors | 115 Spring Street
General information on each joint venture
Ownership Interest	51.00%	51.00%	51.00%
Economic Interest	51.00%	51.00%	51.00%
Unaudited Approximate Square Feet (sqft)	5,218	5,218	5,218
Joint venture | New York State Teacher's Retirement System | 919 Third Avenue
General information on each joint venture
Ownership Interest	51.00%	51.00%	51.00%
Economic Interest	51.00%	51.00%	51.00%
Unaudited Approximate Square Feet (sqft)	1,454,000	1,454,000	1,454,000
Joint venture | Private Investor / Wharton Properties | 11 West 34th Street
General information on each joint venture
Ownership Interest	30.00%	30.00%	30.00%
Economic Interest	30.00%	30.00%	30.00%
Unaudited Approximate Square Feet (sqft)	17,150	17,150	17,150
Joint venture | Vornado Realty Trust | 280 Park Avenue
General information on each joint venture
Ownership Interest	50.00%	50.00%	50.00%
Economic Interest	50.00%	50.00%	50.00%
Unaudited Approximate Square Feet (sqft)	1,219,158	1,219,158	1,219,158
Joint venture | Wharton Properties | 1552-1560 Broadway
General information on each joint venture
Ownership Interest	50.00%	50.00%	50.00%
Economic Interest	50.00%	50.00%	50.00%
Unaudited Approximate Square Feet (sqft)	57,718	57,718	57,718
Joint venture | Wharton Properties | 650 Fifth Avenue
General information on each joint venture
Ownership Interest	50.00%	50.00%	50.00%
Economic Interest	50.00%	50.00%	50.00%
Unaudited Approximate Square Feet (sqft)	69,214	69,214	69,214
Joint venture | Canadian Pension Plan Investment Board | 10 East 53rd Street
General information on each joint venture
Ownership Interest	55.00%	55.00%	55.00%
Economic Interest	55.00%	55.00%	55.00%
Unaudited Approximate Square Feet (sqft)	354,300	354,300	354,300
Joint venture | PGIM Real Estate | 11 Madison Avenue
General information on each joint venture
Ownership Interest	60.00%	60.00%	60.00%
Economic Interest	60.00%	60.00%	60.00%
Unaudited Approximate Square Feet (sqft)	2,314,000	2,314,000	2,314,000
Joint venture | National Pension Service of Korea / Hines Interest LP | One Vanderbilt Avenue
General information on each joint venture
Ownership Interest	71.01%	71.01%	71.01%
Economic Interest	71.01%	71.01%	71.01%
Unaudited Approximate Square Feet (sqft)	1,657,198	1,657,198	1,657,198
Joint venture | RXR Realty / New York REIT | Worldwide Plaza
General information on each joint venture
Ownership Interest	24.95%	24.95%	24.95%
Economic Interest	24.95%	24.95%	24.95%
Unaudited Approximate Square Feet (sqft)	2,048,725	2,048,725	2,048,725
Joint venture | Allianz Real Estate of America | 1515 Broadway
General information on each joint venture
Ownership Interest	56.87%	56.87%	56.87%
Economic Interest	56.87%	56.87%	56.87%
Unaudited Approximate Square Feet (sqft)	1,750,000	1,750,000	1,750,000
Joint venture | Israeli Institutional Investor | 2 Herald Square
General information on each joint venture
Ownership Interest	51.00%	51.00%	51.00%
Economic Interest	51.00%	51.00%	51.00%
Unaudited Approximate Square Feet (sqft)	369,000	369,000	369,000
Joint venture | A Fund Managed By Meritz Alternative Investment Management | 15 Beekman
General information on each joint venture
Ownership Interest	20.00%	20.00%	20.00%
Economic Interest	20.00%	20.00%	20.00%
Unaudited Approximate Square Feet (sqft)	221,884	221,884	221,884
Joint venture | A Fund Managed By Meritz Alternative Investment Management | 220 East 42nd Street
General information on each joint venture
Ownership Interest	51.00%	51.00%	51.00%
Economic Interest	51.00%	51.00%	51.00%
Unaudited Approximate Square Feet (sqft)	1,135,000	1,135,000	1,135,000
Joint venture | Wells Fargo | 85 Fifth Avenue
General information on each joint venture
Ownership Interest	36.27%	36.27%	36.27%
Economic Interest	36.27%	36.27%	36.27%
Unaudited Approximate Square Feet (sqft)	12,946	12,946	12,946
Joint venture | National Pension Service of Korea / Hines Interest LP / International Investor | One Madison Avenue
General information on each joint venture
Ownership Interest	25.50%	25.50%	25.50%
Economic Interest	25.50%	25.50%	25.50%
Unaudited Approximate Square Feet (sqft)	1,048,700	1,048,700	1,048,700
Joint venture | Korean Institutional Investor / Israeli Institutional Investor | 450 Park Avenue
General information on each joint venture
Ownership Interest	50.10%	50.10%	50.10%
Economic Interest	25.10%	25.10%	25.10%
Unaudited Approximate Square Feet (sqft)	337,000	337,000	337,000
Investment in joint venture, ownership percentage	25.10%	25.10%	25.10%
Joint venture | RXR Realty Led Investment Group | 5 Times Square
General information on each joint venture
Ownership Interest	31.55%	31.55%	31.55%
Economic Interest	31.55%	31.55%	31.55%
Unaudited Approximate Square Feet (sqft)	1,131,735	1,131,735	1,131,735
Joint venture | Mori Trust Co., Ltd | 245 Park Avenue
General information on each joint venture
Ownership Interest	50.10%	50.10%	50.10%
Economic Interest	50.10%	50.10%	50.10%
Unaudited Approximate Square Feet (sqft)	1,782,793	1,782,793	1,782,793