Interest and Debt Expense - Details of Interest and Debt Expense (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest And Debt Expense [Line Items]
Proceeds from notes and mortgages payable	$ 888,566	$ 9,791	$ 1,259,843
1633 Broadway [Member]
Interest And Debt Expense [Line Items]
Expense from non-cash write-off of deferred financing costs			8,215
Proceeds from notes and mortgages payable			$ 1,250,000
1301 Avenue of the Americas [Member]
Interest And Debt Expense [Line Items]
Expense from non-cash write-off of deferred financing costs	761
Proceeds from notes and mortgages payable	$ 860