Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 3,817,050
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	820,011
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	6,250,379
Gross amount at which carried at close of period, Total	8,216,616	$ 8,143,777	$ 8,028,061
Accumulated depreciation and amortization	(1,471,819)	(1,297,553)	(1,112,977)
Costs capitalized subsequent to acquisition, Building and Improvements, other	42,077
Gross amount at which carried at close of period, Buildings and Improvements, other	42,077
Gross amount at which carried at close of period, other	42,077
Accumulated depreciation and amortization, other	$ (11,252)
Date acquired, other	Nov. 30, 2014
Real Estate:
Beginning balance	$ 8,143,777	8,028,061	7,963,315
Buildings and improvements	107,156	127,102	111,340
Assets sold and written-off	(34,317)	(11,386)	(46,594)
Ending balance	8,216,616	8,143,777	8,028,061
Accumulated Depreciation:
Beginning balance	1,297,553	1,112,977	966,697
Additions charged to expense	208,583	195,962	192,874
Accumulated depreciation related to assets sold and written-off	(34,317)	(11,386)	(46,594)
Ending balance	$ 1,471,819	$ 1,297,553	$ 1,112,977
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	174,719
Gross amount at which carried at close of period, Land	502,846
Gross amount at which carried at close of period, Buildings and Improvements	1,573,060
Gross amount at which carried at close of period, Total	2,075,906
Accumulated depreciation and amortization	$ (400,865)
Date of construction	Dec. 31, 1971
Date of renovation	2015
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 2,075,906
Accumulated Depreciation:
Ending balance	$ 400,865
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	211,701
Gross amount at which carried at close of period, Land	406,039
Gross amount at which carried at close of period, Buildings and Improvements	1,263,398
Gross amount at which carried at close of period, Total	1,669,437
Accumulated depreciation and amortization	$ (286,525)
Date of construction	Dec. 31, 1963
Date of renovation	2023
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 1,669,437
Accumulated Depreciation:
Ending balance	$ 286,525
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	85,288
Gross amount at which carried at close of period, Land	221,318
Gross amount at which carried at close of period, Buildings and Improvements	690,282
Gross amount at which carried at close of period, Total	911,600
Accumulated depreciation and amortization	$ (164,290)
Date of construction	Dec. 31, 1987
Date of renovation	2019
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 911,600
Accumulated Depreciation:
Ending balance	$ 164,290
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	65,007
Gross amount at which carried at close of period, Land	174,688
Gross amount at which carried at close of period, Buildings and Improvements	435,560
Gross amount at which carried at close of period, Total	610,248
Accumulated depreciation and amortization	$ (106,174)
Date of construction	Dec. 31, 1989
Date of renovation	2019
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 610,248
Accumulated Depreciation:
Ending balance	$ 106,174
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	31,657
Gross amount at which carried at close of period, Land	103,741
Gross amount at which carried at close of period, Buildings and Improvements	327,688
Gross amount at which carried at close of period, Total	431,429
Accumulated depreciation and amortization	$ (77,731)
Date of construction	Dec. 31, 1983
Date of renovation	2023
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 431,429
Accumulated Depreciation:
Ending balance	$ 77,731
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	568,372
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	4,289,988
Gross amount at which carried at close of period, Total	5,698,620
Accumulated depreciation and amortization	(1,035,585)
Real Estate:
Ending balance	5,698,620
Accumulated Depreciation:
Ending balance	1,035,585
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	135,385
Gross amount at which carried at close of period, Land	288,743
Gross amount at which carried at close of period, Buildings and Improvements	1,123,399
Gross amount at which carried at close of period, Total	1,412,142
Accumulated depreciation and amortization	$ (273,645)
Date of construction	Dec. 31, 1976
Date of renovation	2016
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 1,412,142
Accumulated Depreciation:
Ending balance	$ 273,645
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	$ 232,050
Initial cost to company, Land	141,097
Initial cost to company, Building and Improvements	343,819
Costs capitalized subsequent to acquisition, Building and Improvements	54,048
Gross amount at which carried at close of period, Land	141,097
Gross amount at which carried at close of period, Buildings and Improvements	397,867
Gross amount at which carried at close of period, Total	538,964
Accumulated depreciation and amortization	$ (73,036)
Date of construction	Dec. 31, 1968
Date of renovation	2020
Date acquired	Jul. 31, 2017
Real Estate:
Ending balance	$ 538,964
Accumulated Depreciation:
Ending balance	$ 73,036
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	20,129
Gross amount at which carried at close of period, Land	127,765
Gross amount at which carried at close of period, Buildings and Improvements	397,048
Gross amount at which carried at close of period, Total	524,813
Accumulated depreciation and amortization	$ (78,301)
Date of construction	Dec. 31, 1979
Date acquired	Dec. 31, 2016
Real Estate:
Ending balance	$ 524,813
Accumulated Depreciation:
Ending balance	$ 78,301
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	$ 1,207,050
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	209,562
Gross amount at which carried at close of period, Land	557,605
Gross amount at which carried at close of period, Buildings and Improvements	1,918,314
Gross amount at which carried at close of period, Total	2,475,919
Accumulated depreciation and amortization	(424,982)
Real Estate:
Ending balance	2,475,919
Accumulated Depreciation:
Ending balance	$ 424,982