Notes Payable - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Deferred Financing Costs and Losses on Extinguishment of Debt
Payments of deferred financing costs			$ 2,698
Loss on extinguishment of debt	$ 210		210
Interest Expense
Interest expense on debt and finance lease obligations	12,612	$ 11,406	35,377	$ 34,399
Noncash interest on derivatives and finance lease obligations, net	(762)	1,155	5,534	6,908
Amortization of deferred financing costs	892	698	2,288	2,094
Total interest expense	12,742	$ 13,259	43,199	$ 43,401
Hilton Times Square mortgage
Interest Expense
Default interest expense	$ 900		$ 1,700