Segments - Schedule of Operating Segments Evaluated on Income from Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									$ 1,275,059	$ 1,282,725	$ 1,270,593
Income from operations	$ 75,242	$ 121,462	$ 112,504	$ 68,729	$ 91,784	$ 117,918	$ 98,442	$ 52,931	377,937	361,075	360,664
Impairment charges									43,600	25,169	9,828
Gain on sale of hotel properties									42,500	10,000
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									1,266,268	1,286,598	1,274,404
Income from operations									401,755	386,934	388,844
Operating Segments | Owned hotels
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									1,259,182	1,282,725	1,270,593
Income from operations									394,669	383,061	385,033
Operating Segments | Franchise and management
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									7,086	3,873	3,811
Income from operations									7,086	3,873	3,811
Intellectual property fees									3,800	3,900	3,800
Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									80,942	75,692	79,792
Income from operations									(23,168)	(25,859)	(28,180)
Management fee and other costs									80,900	75,700	79,800
Intersegment Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									(84,718)	(79,565)	(83,603)
Other revenues from franchised and managed properties
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues									12,567	0	0
Income from operations									$ (650)	$ 0	$ 0