INVESTMENT IN HOTEL PROPERTIES, NET - Pro forma financial information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Business Combinations [Abstract]
Revenues	$ 52,413	$ 144,564	$ 186,233	$ 438,560
Income from hotel operations	5,663	54,290	25,379	169,003
Net (loss) income	(35,936)	18,340	(104,692)	54,734
Net (loss) income attributable to common stockholders, net of amount allocated to participating securities	$ (38,424)	$ 11,205	$ (111,654)	$ 33,862
Basic net (loss) income per share attributable to common stockholders (in dollars per share)	$ (0.37)	$ 0.11	$ (1.07)	$ 0.33
Diluted net (loss) income per share attributable to common stockholders (in dollars per share)	$ (0.37)	$ 0.11	$ (1.07)	$ 0.33
Depreciation expense, property tax expense, interest expense, income tax expense, loss on impairment of assets and other corporate expenses, included in net income (loss)	$ 50,900	$ 46,100	$ 159,300	$ 143,600
Depreciation expense, property tax expense, interest expense, income tax expense, loss on impairment of assets and other corporate expenses, included in net income (loss) net of amount allocated to participating securities	$ 48,700	$ 45,800	$ 152,400	$ 142,900