Company Information and Significant Accounting Policies - Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Receivables (net of allowance for doubtful accounts)	$ 143,028	$ 125,870
Notes receivable, net of allowance	17,254	13,256
Other current assets	34,065	25,967
Intangible assets, net	246,925	100,492
Notes receivable, net of allowances	78,286	80,136
Deferred income taxes	24,601	27,224
Other assets	49,120	67,715
Accounts payable	62,730	67,839
Accrued expenses and other current liabilities	58,953	84,315
Deferred revenue	62,247	52,142
Liability for guest loyalty program	84,075	79,123
Long-term deferred revenue	96,351	94,153
Liability for guest loyalty program	51,749	48,701
Other liabilities	45,265	46,349
Retained earnings	640,176	627,272
Income taxes payable	$ 29,041	29,041
As Previously Reported
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Receivables (net of allowance for doubtful accounts)		125,452
Notes receivable, net of allowance		13,904
Other current assets		28,241
Intangible assets, net		14,672
Notes receivable, net of allowances		147,993
Deferred income taxes		13,335
Other assets		29,479
Accounts payable		67,839
Accrued expenses and other current liabilities		84,315
Deferred revenue		13,190
Liability for guest loyalty program		79,183
Long-term deferred revenue		14,029
Liability for guest loyalty program		48,738
Other liabilities		51,245
Retained earnings		673,771
Accounting Standards Update 2014-09 | Adoption of Topic 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Receivables (net of allowance for doubtful accounts)		418
Notes receivable, net of allowance		(648)
Other current assets		(2,274)
Intangible assets, net		85,820
Notes receivable, net of allowances		(67,857)
Deferred income taxes		13,889
Other assets		38,236
Accounts payable		0
Accrued expenses and other current liabilities		0
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)
Financial Reporting Reclassification
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts payable		4,300
Income taxes payable		$ 2,800