SEGMENTS - Schedule of Assets and Capital Expenditures of Operating Segments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Assets:	$ 3,939,565		$ 3,924,210
Capital Expenditures:	112,922	$ 89,741
Operating Segments
Segment Reporting Information [Line Items]
Assets:	3,684,078		3,658,237
Capital Expenditures:	112,294	89,303
Operating Segments | Owned hotels
Segment Reporting Information [Line Items]
Assets:	3,671,208		3,643,603
Capital Expenditures:	112,294	89,053
Operating Segments | Franchise and management
Segment Reporting Information [Line Items]
Assets:	12,870		14,634
Capital Expenditures:	0	250
Corporate and Other
Segment Reporting Information [Line Items]
Assets:	295,675		308,181
Capital Expenditures:	628	$ 438
Intersegment Eliminations
Segment Reporting Information [Line Items]
Assets:	$ (40,188)		$ (42,208)