SEGMENTS - Schedule of Operating Segments Evaluated on Income from Operations (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 323,657,000	$ 336,501,000	$ 601,326,000	$ 634,268,000
Income (loss) from operations:	100,451,000	112,504,000	164,404,000	181,233,000
Impairment charges	0	0	0	43,600,000
Gain (loss) on sale of hotel properties	0	0	0	38,082,000
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	320,084,000	334,300,000	594,475,000	631,086,000
Income (loss) from operations:	107,053,000	118,544,000	178,790,000	194,307,000
Operating Segments | Owned hotels
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	317,684,000	332,440,000	590,033,000	627,925,000
Income (loss) from operations:	104,653,000	116,684,000	174,348,000	191,146,000
Operating Segments | Franchise and management
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	2,400,000	1,860,000	4,442,000	3,161,000
Income (loss) from operations:	2,400,000	1,860,000	4,442,000	3,161,000
Intellectual property fees	1,000,000.0	1,000,000.0	1,800,000	1,900,000
Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	19,704,000	20,800,000	39,218,000	42,130,000
Income (loss) from operations:	(6,132,000)	(5,846,000)	(13,364,000)	(12,828,000)
Management fee and other costs	19,700,000	20,800,000	39,200,000	42,100,000
Intersegment Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	(20,657,000)	(21,799,000)	(40,988,000)	(44,015,000)
Other revenues from franchised and managed properties
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	4,526,000	3,200,000	8,621,000	5,067,000
Other revenues from franchised and managed properties | Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	4,526,000	3,200,000	8,621,000	5,067,000
Income (loss) from operations:	$ (470,000)	$ (194,000)	$ (1,022,000)	$ (246,000)