Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 31,759	$ (40,948)	$ 5,607	$ (121,960)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation and amortization	44,217	50,171	139,313	149,590
Loss on impairment of depreciable real estate assets	0	0	10,754	4,382
Gain on sale of real estate	(44)	0	(3,664)	(8,785)
Other non-cash expenses, net			8,208	6,055
Changes in operating assets and liabilities:
Increase in due from third party managers, net			(30,383)	(3,037)
Increase in other assets, net			(755)	(1,627)
Increase in accounts payable and other liabilities			17,282	1,581
Net cash provided by operating activities			146,362	26,199
Cash flows from investing activities:
Acquisition of hotel properties, net			(197,228)	(88,687)
Refunds (payments) for potential acquisitions, net			(2,645)	585
Capital improvements			(9,138)	(44,383)
Net proceeds from sale of real estate			231,008	44,385
Net cash provided by (used in) investing activities			21,997	(88,100)
Cash flows from financing activities:
Net proceeds related to issuance of common shares			75,036	(247)
Repurchases of common shares				(14,336)
Repurchases of common shares to satisfy employee withholding requirements			(1,650)	(1,748)
Distributions paid to common shareholders			(4,510)	(67,324)
Net proceeds from (payments on) revolving credit facility			(105,800)	78,800
Proceeds from term loans and senior notes				50,000
Proceeds from mortgage debt and other loans				81,520
Payments of mortgage debt and other loans			(66,349)	(41,523)
Payments of finance lease settlement			(24,000)
Financing costs			(1,576)	(2,283)
Net cash provided by (used in) financing activities			(128,849)	82,859
Net change in cash, cash equivalents and restricted cash			39,510	20,958
Cash, cash equivalents and restricted cash, beginning of period			34,368	34,661	$ 34,661
Cash, cash equivalents and restricted cash, end of period	73,878	55,619	73,878	55,619	34,368
Supplemental cash flow information:
Interest paid			49,735	46,737
Supplemental disclosure of noncash investing and financing activities:
Notes payable originated from acquisitions			56,000	20,551
Accrued distribution to common shareholders	2,279		2,279
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents, beginning of period			5,556
Restricted cash-furniture, fixtures and other escrows, beginning of period			28,812	34,661	34,661
Cash, cash equivalents and restricted cash, beginning of period			34,368	34,661	34,661
Cash and cash equivalents, end of period	39,432	27,435	39,432	27,435	5,556
Restricted cash-furniture, fixtures and other escrows, end of period	34,446	28,184	34,446	28,184	28,812
Cash, cash equivalents and restricted cash, end of period	$ 73,878	$ 55,619	$ 73,878	$ 55,619	$ 34,368