INVESTMENT IN HOTEL PROPERTIES, NET - Summary of hotel properties acquired (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
2017 acquisitions
Business Acquisition [Line Items]
Purchase Price	$ 60,200
Net assets acquired	60,467
Settlement amount of net working capital assets	300
2016 acquisitions
Business Acquisition [Line Items]
Purchase Price		$ 109,000
Net assets acquired		109,182
Settlement amount of net working capital assets		200
Homewood Suites | Aliso Viejo (Laguna Beach), CA | 2017 acquisitions
Business Acquisition [Line Items]
Purchase Price	38,000
Hyatt Place | Phoenix (Mesa), AZ | 2017 acquisitions
Business Acquisition [Line Items]
Purchase Price	$ 22,200
Courtyard by Marriott | Nashville, TN | 2016 acquisitions
Business Acquisition [Line Items]
Purchase Price		71,000
Residence Inn by Marriott | Atlanta, GA | 2016 acquisitions
Business Acquisition [Line Items]
Purchase Price		$ 38,000