BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Estimated Useful Lives of Hotel Properties and Related Assets (Details)	12 Months Ended
	Dec. 31, 2017
Hotel building and improvements | Minimum
INVESTMENT IN HOTEL PROPERTIES, NET
Estimated Useful Lives	6 years
Hotel building and improvements | Maximum
INVESTMENT IN HOTEL PROPERTIES, NET
Estimated Useful Lives	40 years
Furniture, fixtures and equipment | Minimum
INVESTMENT IN HOTEL PROPERTIES, NET
Estimated Useful Lives	2 years
Furniture, fixtures and equipment | Maximum
INVESTMENT IN HOTEL PROPERTIES, NET
Estimated Useful Lives	15 years