INVESTMENT IN HOTEL PROPERTIES - Pro forma financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Real Estate [Abstract]
Revenues	$ 572,262	$ 562,097
Income from hotel operations	215,372	215,931
Net income	57,909	71,478
Net income attributable to common stockholders, net of amount allocated to participating securities and non-controlling interests	$ 33,671	$ 38,803
Basic net income per share attributable to common stockholders (in dollars per share)	$ 0.32	$ 0.37
Diluted net income per share attributable to common stockholders (in dollars per share)	$ 0.32	$ 0.37
Pro forma real estate tax expense, depreciation expense, interest expense, and other corporate expenses	$ 197,100	$ 181,900
Pro forma premium on redemption of preferred stock		3,300
Pro forma, preferred dividends related to redeemed preferred stock		$ 1,800