Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 3,858,000
Initial cost to company, Land	1,966,237
Initial cost to company, Building and Improvements	5,430,368
Costs capitalized subsequent to acquisition, Building and Improvements	747,172
Gross amount at which carried at close of period, Land	1,966,237
Gross amount at which carried at close of period, Buildings and Improvements	6,177,540
Gross amount at which carried at close of period, Total	8,143,777	$ 8,028,061	$ 7,963,315
Accumulated depreciation and amortization	(1,297,553)	(1,112,977)	(966,697)
Costs capitalized subsequent to acquisition, Building and Improvements, other	37,891
Gross amount at which carried at close of period, Buildings and Improvements, other	37,891
Gross amount at which carried at close of period, other	37,891
Accumulated depreciation and amortization, other	$ (8,093)
Date acquired, other	Nov. 30, 2014
Real Estate:
Beginning balance	$ 8,028,061	7,963,315	7,889,885
Buildings and improvements	127,102	111,340	82,571
Assets sold and written-off	(11,386)	(46,594)	(9,141)
Ending balance	8,143,777	8,028,061	7,963,315
Accumulated Depreciation:
Beginning balance	1,112,977	966,697	790,216
Additions charged to expense	195,962	192,874	185,622
Accumulated depreciation related to assets sold and written-off	(11,386)	(46,594)	(9,141)
Ending balance	$ 1,297,553	$ 1,112,977	$ 966,697
Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed, other	5 years
Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed, other	40 years
1633 Broadway [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 1,250,000
Initial cost to company, Land	502,846
Initial cost to company, Building and Improvements	1,398,341
Costs capitalized subsequent to acquisition, Building and Improvements	167,371
Gross amount at which carried at close of period, Land	502,846
Gross amount at which carried at close of period, Buildings and Improvements	1,565,712
Gross amount at which carried at close of period, Total	2,068,558
Accumulated depreciation and amortization	$ (350,871)
Date of construction	Dec. 31, 1971
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 2,068,558
Accumulated Depreciation:
Ending balance	$ 350,871
1633 Broadway [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
1633 Broadway [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
1301 Avenue of the Americas [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 860,000
Initial cost to company, Land	406,039
Initial cost to company, Building and Improvements	1,051,697
Costs capitalized subsequent to acquisition, Building and Improvements	154,336
Gross amount at which carried at close of period, Land	406,039
Gross amount at which carried at close of period, Buildings and Improvements	1,206,033
Gross amount at which carried at close of period, Total	1,612,072
Accumulated depreciation and amortization	$ (258,950)
Date of construction	Dec. 31, 1963
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 1,612,072
Accumulated Depreciation:
Ending balance	$ 258,950
1301 Avenue of the Americas [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
1301 Avenue of the Americas [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
31 West 52nd Street [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 500,000
Initial cost to company, Land	221,318
Initial cost to company, Building and Improvements	604,994
Costs capitalized subsequent to acquisition, Building and Improvements	84,367
Gross amount at which carried at close of period, Land	221,318
Gross amount at which carried at close of period, Buildings and Improvements	689,361
Gross amount at which carried at close of period, Total	910,679
Accumulated depreciation and amortization	$ (143,565)
Date of construction	Dec. 31, 1987
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 910,679
Accumulated Depreciation:
Ending balance	$ 143,565
31 West 52nd Street [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
31 West 52nd Street [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
1325 Avenue of the Americas [Member]
Real Estate And Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 174,688
Initial cost to company, Building and Improvements	370,553
Costs capitalized subsequent to acquisition, Building and Improvements	69,350
Gross amount at which carried at close of period, Land	174,688
Gross amount at which carried at close of period, Buildings and Improvements	439,903
Gross amount at which carried at close of period, Total	614,591
Accumulated depreciation and amortization	$ (96,460)
Date of construction	Dec. 31, 1989
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 614,591
Accumulated Depreciation:
Ending balance	$ 96,460
1325 Avenue of the Americas [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
1325 Avenue of the Americas [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
900 Third Avenue [Member]
Real Estate And Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 103,741
Initial cost to company, Building and Improvements	296,031
Costs capitalized subsequent to acquisition, Building and Improvements	29,567
Gross amount at which carried at close of period, Land	103,741
Gross amount at which carried at close of period, Buildings and Improvements	325,598
Gross amount at which carried at close of period, Total	429,339
Accumulated depreciation and amortization	$ (70,885)
Date of construction	Dec. 31, 1983
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 429,339
Accumulated Depreciation:
Ending balance	$ 70,885
900 Third Avenue [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
900 Third Avenue [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
New York [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 2,610,000
Initial cost to company, Land	1,408,632
Initial cost to company, Building and Improvements	3,721,616
Costs capitalized subsequent to acquisition, Building and Improvements	504,991
Gross amount at which carried at close of period, Land	1,408,632
Gross amount at which carried at close of period, Buildings and Improvements	4,226,607
Gross amount at which carried at close of period, Total	5,635,239
Accumulated depreciation and amortization	(920,731)
Real Estate:
Ending balance	5,635,239
Accumulated Depreciation:
Ending balance	920,731
One Market Plaza [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	975,000
Initial cost to company, Land	288,743
Initial cost to company, Building and Improvements	988,014
Costs capitalized subsequent to acquisition, Building and Improvements	124,972
Gross amount at which carried at close of period, Land	288,743
Gross amount at which carried at close of period, Buildings and Improvements	1,112,986
Gross amount at which carried at close of period, Total	1,401,729
Accumulated depreciation and amortization	$ (237,041)
Date of construction	Dec. 31, 1976
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 1,401,729
Accumulated Depreciation:
Ending balance	$ 237,041
One Market Plaza [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
One Market Plaza [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
300 Mission Street [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 273,000
Initial cost to company, Land	141,097
Initial cost to company, Building and Improvements	343,819
Costs capitalized subsequent to acquisition, Building and Improvements	53,647
Gross amount at which carried at close of period, Land	141,097
Gross amount at which carried at close of period, Buildings and Improvements	397,466
Gross amount at which carried at close of period, Total	538,563
Accumulated depreciation and amortization	$ (61,180)
Date of construction	Dec. 31, 1968
Date acquired	Jul. 31, 2017
Real Estate:
Ending balance	$ 538,563
Accumulated Depreciation:
Ending balance	$ 61,180
300 Mission Street [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
300 Mission Street [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
One Front Street [Member]
Real Estate And Accumulated Depreciation [Line Items]
Initial cost to company, Land	$ 127,765
Initial cost to company, Building and Improvements	376,919
Costs capitalized subsequent to acquisition, Building and Improvements	25,671
Gross amount at which carried at close of period, Land	127,765
Gross amount at which carried at close of period, Buildings and Improvements	402,590
Gross amount at which carried at close of period, Total	530,355
Accumulated depreciation and amortization	$ (70,508)
Date of construction	Dec. 31, 1979
Date acquired	Dec. 31, 2016
Real Estate:
Ending balance	$ 530,355
Accumulated Depreciation:
Ending balance	$ 70,508
One Front Street [Member] | Minimum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	5 years
One Front Street [Member] | Maximum [Member]
Real Estate And Accumulated Depreciation [Line Items]
Life on which depreciation in latest income statement is computed	40 years
San Francisco [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 1,248,000
Initial cost to company, Land	557,605
Initial cost to company, Building and Improvements	1,708,752
Costs capitalized subsequent to acquisition, Building and Improvements	204,290
Gross amount at which carried at close of period, Land	557,605
Gross amount at which carried at close of period, Buildings and Improvements	1,913,042
Gross amount at which carried at close of period, Total	2,470,647
Accumulated depreciation and amortization	(368,729)
Real Estate:
Ending balance	2,470,647
Accumulated Depreciation:
Ending balance	$ 368,729