Reportable Segment Information - Schedule Of Financial Information For Company's Franchising Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Reportable Segment Information [Line Items]
Revenues	$ 218,320	$ 209,394
Operating income (loss)	45,050	46,249
Income (loss) before income taxes	36,479	30,461
Corporate & Other
Reportable Segment Information [Line Items]
Revenues	3,328	3,772
Operating income (loss)	(25,407)	(13,109)
Income (loss) before income taxes	(31,808)	(22,928)
Hotel Franchising | Operating Segments
Reportable Segment Information [Line Items]
Revenues	214,992	205,622
Operating income (loss)	70,457	59,358
Income (loss) before income taxes	$ 68,287	$ 53,389