Summary of Significant Accounting Policies - Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Receivables, net	$ 138,018	$ 125,870
Notes receivable, net of allowances	36,759	13,256
Other current assets	32,243	25,967
Intangible assets, net	271,188	100,492
Notes receivable, net of allowances	83,440	80,136
Deferred income tax asset	30,613	27,224
Other assets	84,400	67,715
Accounts payable	73,511	67,839
Accrued expenses and other current liabilities	92,651	84,315
Current deferred revenue	33,100	52,142
Liability for guest loyalty program		79,123
Long-term deferred revenue	20,700	98,459
Liability for guest loyalty program		48,701
Other liabilities	37,096	42,043
Retained earnings	795,178	627,272
Income taxes payable	$ (26,276)	(29,041)
Financial Reporting Reclassification
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts payable		4,300
Long-term deferred revenue		4,300
Income taxes payable		2,800
As Previously Reported
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Receivables, net		125,452
Notes receivable, net of allowances		13,904
Other current assets		28,241
Intangible assets, net		14,672
Notes receivable, net of allowances		147,993
Deferred income tax asset		13,335
Other assets		29,479
Accounts payable		67,839
Accrued expenses and other current liabilities		84,315
Current deferred revenue		13,190
Liability for guest loyalty program		79,183
Long-term deferred revenue		18,335
Liability for guest loyalty program		48,738
Other liabilities		46,939
Retained earnings		673,771
Adoption of Topic 606 | ASC 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Receivables, net		418
Notes receivable, net of allowances		(648)
Other current assets		(2,274)
Intangible assets, net		85,820
Notes receivable, net of allowances		(67,857)
Deferred income tax asset		13,889
Other assets		38,236
Accounts payable		0
Accrued expenses and other current liabilities		0
Current deferred revenue		38,952
Liability for guest loyalty program		(60)
Long-term deferred revenue		80,124
Liability for guest loyalty program		(37)
Other liabilities		(4,896)
Retained earnings		$ (46,499)