Real Estate, net and Real Estate Held for Sale - Property Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lease revenues
Minimum lease revenue	$ 35,529	$ 45,555	$ 114,691	$ 135,198
Variable lease revenue	5,390	6,304	18,080	18,478
Total lease revenues	40,919	51,859	132,771	153,676
Hotel operating income	910	10,802	4,728	35,324
Property operating income	41,829	$ 62,661	137,499	$ 189,000
Net amortization expense (income) related to above and below-market leases	$ 200		$ (400)