Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	$ 3,692,050
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	894,729
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	6,325,097
Gross amount at which carried at close of period, Total	8,291,334	$ 8,216,616	$ 8,143,777
Accumulated depreciation and amortization	(1,639,529)	(1,471,819)	(1,297,553)
Costs capitalized subsequent to acquisition, Building and Improvements, other	39,597
Gross amount at which carried at close of period, Buildings and Improvements, other	39,597
Gross amount at which carried at close of period, other	39,597
Accumulated depreciation and amortization, other	$ (9,975)
Date acquired, other	Nov. 30, 2014
Real Estate:
Beginning balance	$ 8,216,616	8,143,777	8,028,061
Buildings and improvements	116,499	107,156	127,102
Assets sold and written-off	(41,781)	(34,317)	(11,386)
Ending balance	8,291,334	8,216,616	8,143,777
Accumulated Depreciation:
Beginning balance	1,471,819	1,297,553	1,112,977
Additions charged to expense	209,491	208,583	195,962
Accumulated depreciation related to assets sold and written-off	(41,781)	(34,317)	(11,386)
Ending balance	$ 1,639,529	$ 1,471,819	$ 1,297,553
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	164,581
Gross amount at which carried at close of period, Land	502,846
Gross amount at which carried at close of period, Buildings and Improvements	1,562,922
Gross amount at which carried at close of period, Total	2,065,768
Accumulated depreciation and amortization	$ (436,492)
Date of construction	Dec. 31, 1971
Date of renovation	2015
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 2,065,768
Accumulated Depreciation:
Ending balance	$ 436,492
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	263,059
Gross amount at which carried at close of period, Land	406,039
Gross amount at which carried at close of period, Buildings and Improvements	1,314,756
Gross amount at which carried at close of period, Total	1,720,795
Accumulated depreciation and amortization	$ (325,737)
Date of construction	Dec. 31, 1963
Date of renovation	2023
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 1,720,795
Accumulated Depreciation:
Ending balance	$ 325,737
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	103,265
Gross amount at which carried at close of period, Land	221,318
Gross amount at which carried at close of period, Buildings and Improvements	708,259
Gross amount at which carried at close of period, Total	929,577
Accumulated depreciation and amortization	$ (178,050)
Date of construction	Dec. 31, 1987
Date of renovation	2019
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 929,577
Accumulated Depreciation:
Ending balance	$ 178,050
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	68,150
Gross amount at which carried at close of period, Land	174,688
Gross amount at which carried at close of period, Buildings and Improvements	438,703
Gross amount at which carried at close of period, Total	613,391
Accumulated depreciation and amortization	$ (117,780)
Date of construction	Dec. 31, 1989
Date of renovation	2019
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 613,391
Accumulated Depreciation:
Ending balance	$ 117,780
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	32,627
Gross amount at which carried at close of period, Land	103,741
Gross amount at which carried at close of period, Buildings and Improvements	328,658
Gross amount at which carried at close of period, Total	432,399
Accumulated depreciation and amortization	$ (86,677)
Date of construction	Dec. 31, 1983
Date of renovation	2023
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 432,399
Accumulated Depreciation:
Ending balance	$ 86,677
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	631,682
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	4,353,298
Gross amount at which carried at close of period, Total	5,761,930
Accumulated depreciation and amortization	(1,144,736)
Real Estate:
Ending balance	5,761,930
Accumulated Depreciation:
Ending balance	1,144,736
One Market Plaza [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	850,000
Initial cost to company, Land	288,743
Initial cost to company, Building and Improvements	988,014
Costs capitalized subsequent to acquisition, Building and Improvements	142,685
Gross amount at which carried at close of period, Land	288,743
Gross amount at which carried at close of period, Buildings and Improvements	1,130,699
Gross amount at which carried at close of period, Total	1,419,442
Accumulated depreciation and amortization	$ (310,769)
Date of construction	Dec. 31, 1976
Date of renovation	2016
Date acquired	Nov. 30, 2014
Real Estate:
Ending balance	$ 1,419,442
Accumulated Depreciation:
Ending balance	$ 310,769
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	58,392
Gross amount at which carried at close of period, Land	141,097
Gross amount at which carried at close of period, Buildings and Improvements	402,211
Gross amount at which carried at close of period, Total	543,308
Accumulated depreciation and amortization	$ (87,145)
Date of construction	Dec. 31, 1968
Date of renovation	2020
Date acquired	Jul. 31, 2017
Real Estate:
Ending balance	$ 543,308
Accumulated Depreciation:
Ending balance	$ 87,145
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	22,373
Gross amount at which carried at close of period, Land	127,765
Gross amount at which carried at close of period, Buildings and Improvements	399,292
Gross amount at which carried at close of period, Total	527,057
Accumulated depreciation and amortization	$ (86,904)
Date of construction	Dec. 31, 1979
Date acquired	Dec. 31, 2016
Real Estate:
Ending balance	$ 527,057
Accumulated Depreciation:
Ending balance	$ 86,904
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	$ 1,082,050
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	223,450
Gross amount at which carried at close of period, Land	557,605
Gross amount at which carried at close of period, Buildings and Improvements	1,932,202
Gross amount at which carried at close of period, Total	2,489,807
Accumulated depreciation and amortization	(484,818)
Real Estate:
Ending balance	2,489,807
Accumulated Depreciation:
Ending balance	$ 484,818