INVESTMENT IN HOTEL PROPERTIES, NET - Pro forma financial information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Net income before taxes			$ 51,091	$ 42,872
Gain on sale of properties	$ 10,500		50,000
2016 and 2015 Acquisitions
Business Acquisition [Line Items]
Revenues	119,861	$ 117,621	363,148	345,891
Income from hotel operations	45,401	44,336	140,232	130,532
Net income before taxes	16,227	10,604
Net income	17,472	10,420	50,630	41,286
Net income attributable to common stockholders, net of amount allocated to participating securities	$ 12,367	$ 6,200	$ 37,016	$ 28,529
Basic net income per share attributable to common shareholders (in dollars per share)	$ 0.14	$ 0.07	$ 0.43	$ 0.33
Diluted net income per share attributable to common shareholders (in dollars per share)	$ 0.14	$ 0.07	$ 0.42	$ 0.33