Deferred Costs, Acquired Lease Intangibles and Goodwill - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Deferred Costs [Line Items]
Amortization expense related to deferred leasing costs and acquired deferred leasing costs	$ 6,100	$ 7,300	$ 11,900	$ 14,300
Rental revenue related to the amortization of below-market leases, net of above-market leases	700	1,700	1,378	3,459
Goodwill	491,479		491,479		$ 491,479
Observatory
Deferred Costs [Line Items]
Goodwill	227,500		227,500		227,500
Real estate
Deferred Costs [Line Items]
Goodwill	264,000		264,000		264,000
Lease agreements
Deferred Costs [Line Items]
Amortization expense related to acquired lease intangibles	2,300	$ 4,100	4,600	$ 8,300
Unsecured revolving credit facility | Revolving credit facility
Deferred Costs [Line Items]
Net deferred financing costs	$ 3,900		$ 3,900		$ 5,000