Supplemental Information to Statements of Cash Flows - Schedule of Supplemental Information to Statements of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flows [Line Items]
Cash and cash equivalents	$ 56,587		$ 61,766
Restricted cash reserves	8,327		3,882
Cash, cash equivalents, and restricted cash reserves	64,914	$ 71,861	$ 65,648	$ 23,719
Transaction costs	0	(42)
Proceeds from the sale of hotel properties, net	0	(42)
Rangers Sub I, LLC
Supplemental Cash Flows [Line Items]
Cash and cash equivalents		65,570
Restricted cash reserves		6,291
Cash, cash equivalents, and restricted cash reserves	64,914	71,861
Interest paid	17,790	18,401
Interest paid to a related party	1,341	1,783
Income taxes refunded	(2)	(39)
Operating cash flow lease payments for operating leases	2,647	2,985
Accrued capital expenditures	$ 3,812	$ 3,409