Segment Reporting - Segment Revenue and Profit or Loss Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Dec. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Rental revenue				$ 591,048	$ 559,690	$ 563,071
Intercompany rental revenue				0	0	0
Observatory revenue				105,978	41,474	29,057
Lease termination fees				20,032	16,230	9,416
Third-party management and other fees				1,361	1,219	1,225
Other revenue and fees				8,622	5,481	6,459
Total revenues				727,041	624,094	609,228
Operating expenses:
Property operating expenses				157,935	126,986	136,141
Intercompany rent expense				0	0	0
Ground rent expense				9,326	9,326	9,326
General and administrative expenses				61,765	55,947	62,244
Observatory expenses				31,036	23,206	23,723
Real estate taxes				123,057	119,967	121,923
Impairment charges				0	7,723	6,204
Depreciation and amortization				216,894	201,806	191,006
Total operating expenses				600,013	544,961	550,567
Total operating income (loss)				127,028	79,133	58,661
Other income (expense):
Interest income				4,948	704	2,637
Interest expense				(101,206)	(94,394)	(89,907)
Gain on sale/disposition of properties				33,988	0	0
Loss on early extinguishment of debt				0	(214)	(86)
IPO litigation expense				0	0	(1,165)
Income (loss) before income taxes				64,758	(14,771)	(29,860)
Income tax (expense) benefit				(1,546)	1,734	6,971
Net income (loss)				63,212	(13,037)	(22,889)
Assets	$ 4,282,447			4,163,594	4,282,447	4,150,695
Expenditures for segment assets				85,961	398,372	104,060
Intersegment Elimination
Revenues:
Rental revenue				0	0	0
Intercompany rental revenue				(65,005)	(23,413)	(17,827)
Observatory revenue				0	0	0
Lease termination fees				0	0	0
Third-party management and other fees				0	0	0
Other revenue and fees				0	0	0
Total revenues				(65,005)	(23,413)	(17,827)
Operating expenses:
Property operating expenses				0	0	0
Intercompany rent expense				(65,005)	(23,413)	(17,827)
Ground rent expense				0	0	0
General and administrative expenses				0	0	0
Observatory expenses				0	0	0
Real estate taxes				0	0	0
Impairment charges					0	0
Depreciation and amortization				0	0	0
Total operating expenses				(65,005)	(23,413)	(17,827)
Total operating income (loss)				0	0	0
Other income (expense):
Interest income				0	0	0
Interest expense				0	0	0
Gain on sale/disposition of properties				0
Loss on early extinguishment of debt					0	0
IPO litigation expense						0
Income (loss) before income taxes				0	0	0
Income tax (expense) benefit				0	0	0
Net income (loss)				0	0	0
Assets	0			0	0	0
Expenditures for segment assets				0	0	0
Real Estate
Operating expenses:
Impairment charges	7,700	$ 2,100	$ 4,100		7,700	6,200
Real Estate | Operating segments
Revenues:
Rental revenue				591,048	559,690	563,071
Intercompany rental revenue				65,005	23,413	17,827
Observatory revenue				0	0	0
Lease termination fees				20,032	16,230	9,416
Third-party management and other fees				1,361	1,219	1,225
Other revenue and fees				8,622	5,343	6,459
Total revenues				686,068	605,895	597,998
Operating expenses:
Property operating expenses				157,935	126,986	136,141
Intercompany rent expense				0	0	0
Ground rent expense				9,326	9,326	9,326
General and administrative expenses				61,765	55,947	62,244
Observatory expenses				0	0	0
Real estate taxes				123,057	119,967	121,923
Impairment charges					7,723	6,204
Depreciation and amortization				216,707	201,676	190,863
Total operating expenses				568,790	521,625	526,701
Total operating income (loss)				117,278	84,270	71,297
Other income (expense):
Interest income				4,901	701	2,542
Interest expense				(101,206)	(94,292)	(89,907)
Gain on sale/disposition of properties				33,988
Loss on early extinguishment of debt					(214)	(86)
IPO litigation expense						(1,165)
Income (loss) before income taxes				54,961	(9,535)	(17,319)
Income tax (expense) benefit				(584)	(613)	(843)
Net income (loss)				54,377	(10,148)	(18,162)
Assets	4,037,122			3,909,299	4,037,122	3,903,884
Expenditures for segment assets				85,646	398,368	101,306
Observatory | Operating segments
Revenues:
Rental revenue				0	0	0
Intercompany rental revenue				0	0	0
Observatory revenue				105,978	41,474	29,057
Lease termination fees				0	0	0
Third-party management and other fees				0	0	0
Other revenue and fees				0	138	0
Total revenues				105,978	41,612	29,057
Operating expenses:
Property operating expenses				0	0	0
Intercompany rent expense				65,005	23,413	17,827
Ground rent expense				0	0	0
General and administrative expenses				0	0	0
Observatory expenses				31,036	23,206	23,723
Real estate taxes				0	0	0
Impairment charges					0	0
Depreciation and amortization				187	130	143
Total operating expenses				96,228	46,749	41,693
Total operating income (loss)				9,750	(5,137)	(12,636)
Other income (expense):
Interest income				47	3	95
Interest expense				0	(102)	0
Gain on sale/disposition of properties				0
Loss on early extinguishment of debt					0	0
IPO litigation expense						0
Income (loss) before income taxes				9,797	(5,236)	(12,541)
Income tax (expense) benefit				(962)	2,347	7,814
Net income (loss)				8,835	(2,889)	(4,727)
Assets	$ 245,325			254,295	245,325	246,811
Expenditures for segment assets				$ 315	$ 4	$ 2,754