INVESTMENT IN HOTEL PROPERTIES, NET - Pro forma financial information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Business Combinations [Abstract]
Revenues	$ 25,435	$ 152,240	$ 133,820	$ 293,996
Income from hotel operations	(10,009)	60,905	19,716	114,713
Net (loss) income	(52,543)	20,791	(68,756)	36,394
Net (loss) income attributable to common stockholders, net of amount allocated to participating securities	$ (54,126)	$ 13,752	$ (73,231)	$ 22,612
Basic net (loss) income per share attributable to common stockholders (in dollars per share)	$ (0.52)	$ 0.13	$ (0.70)	$ 0.22
Diluted net (loss) income per share attributable to common stockholders (in dollars per share)	$ (0.52)	$ 0.13	$ (0.70)	$ 0.22
Depreciation expense, property tax expense, interest expense, income tax expense, loss on impairment of assets and other corporate expenses, included in net income (loss)	$ 51,800	$ 49,600	$ 108,400	$ 97,500
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	$ 49,500	$ 49,400	$ 103,700	$ 97,100