Interest and Debt Expense - Details of Interest and Debt Expense (Parenthetical) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest And Debt Expense [Line Items]
Proceeds from debt refinancing		$ 1,259,843	$ 16,700	$ 991,556
1633 Broadway [Member]
Interest And Debt Expense [Line Items]
Expense from non-cash write-off of deferred financing costs		8,215
Proceeds from debt refinancing	$ 1,250,000	$ 1,250,000