Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 36,834	$ 235,336	$ 187,472	$ 202,463
Receivables	143,028	125,870
Other current assets	51,983	39,223
Total current assets	231,845	400,429
Property and equipment, at cost, net	98,403	83,374
Goodwill	174,538	80,757
Intangible assets, net	246,925	100,492
Notes receivable, net of allowances	78,286	80,136
Investments, employee benefit plans, at fair value	20,142	20,838
Investments in affiliates	0	0
Advances to affiliates	0	0
Deferred income taxes	24,601	27,224
Other assets	177,277	201,941
Total assets	1,052,017	995,191
Current liabilities
Accounts payable	62,730	67,839
Accrued expenses and other current liabilities	58,953	84,315
Deferred revenue	62,247	52,142
Current portion of long-term debt	1,265	1,232
Liability for guest loyalty program	84,075	79,123
Total current liabilities	269,270	284,651
Long-term debt	795,745	725,292
Long-term deferred revenue	96,351	94,153
Deferred compensation and retirement plan obligations	24,513	25,566
Advances from affiliates	0	0
Income taxes payable	29,041	29,041
Other liabilities	97,014	95,089
Total liabilities	1,311,934	1,253,792
Total shareholders’ (deficit) equity	(259,917)	(258,601)
Total liabilities and shareholders’ deficit	1,052,017	995,191
Parent
ASSETS
Cash and cash equivalents	11,415	12,671	4,114	14,696
Receivables	126,154	107,470
Other current assets	16,611	12,507
Total current assets	154,180	132,648
Property and equipment, at cost, net	46,996	47,736
Goodwill	159,196	65,813
Intangible assets, net	141,483	5,122
Notes receivable, net of allowances	20,346	22,193
Investments, employee benefit plans, at fair value	0	0
Investments in affiliates	283,439	475,434
Advances to affiliates	10,704	10,517
Deferred income taxes	16,982	20,548
Other assets	417	189
Total assets	833,743	780,200
Current liabilities
Accounts payable	16,489	15,326
Accrued expenses and other current liabilities	60,724	73,225
Deferred revenue	31,101	24,984
Current portion of long-term debt	0	0
Liability for guest loyalty program	0	0
Total current liabilities	108,314	113,535
Long-term debt	783,588	713,175
Long-term deferred revenue	72,259	71,100
Deferred compensation and retirement plan obligations	0	0
Advances from affiliates	115,267	126,691
Income taxes payable	0	0
Other liabilities	14,232	14,300
Total liabilities	1,093,660	1,038,801
Total shareholders’ (deficit) equity	(259,917)	(258,601)
Total liabilities and shareholders’ deficit	833,743	780,200
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	52	38	23	159
Receivables	5,555	6,120
Other current assets	64,530	60,569
Total current assets	70,137	66,727
Property and equipment, at cost, net	16,888	18,114
Goodwill	0	0
Intangible assets, net	93,646	83,441
Notes receivable, net of allowances	0	0
Investments, employee benefit plans, at fair value	20,142	20,838
Investments in affiliates	47,882	47,172
Advances to affiliates	109,042	120,466
Deferred income taxes	10,050	9,335
Other assets	154,978	160,045
Total assets	522,765	526,138
Current liabilities
Accounts payable	42,869	48,213
Accrued expenses and other current liabilities	27,752	41,814
Deferred revenue	28,515	25,301
Current portion of long-term debt	0	0
Liability for guest loyalty program	83,843	78,899
Total current liabilities	182,979	194,227
Long-term debt	3,712	3,712
Long-term deferred revenue	22,436	20,513
Deferred compensation and retirement plan obligations	24,499	25,552
Advances from affiliates	1,371	1,294
Income taxes payable	0	0
Other liabilities	64,859	62,845
Total liabilities	299,856	308,143
Total shareholders’ (deficit) equity	222,909	217,995
Total liabilities and shareholders’ deficit	522,765	526,138
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	25,367	222,627	183,335	187,608
Receivables	11,725	12,480
Other current assets	13,231	9,930
Total current assets	50,323	245,037
Property and equipment, at cost, net	34,519	17,524
Goodwill	15,342	14,944
Intangible assets, net	11,796	11,929
Notes receivable, net of allowances	57,940	57,943
Investments, employee benefit plans, at fair value	0	0
Investments in affiliates	0	0
Advances to affiliates	11	0
Deferred income taxes	170	169
Other assets	21,882	41,707
Total assets	191,983	389,253
Current liabilities
Accounts payable	3,778	4,500
Accrued expenses and other current liabilities	12,866	13,059
Deferred revenue	2,631	1,857
Current portion of long-term debt	1,265	1,232
Liability for guest loyalty program	232	224
Total current liabilities	20,772	20,872
Long-term debt	8,445	8,405
Long-term deferred revenue	1,656	2,540
Deferred compensation and retirement plan obligations	14	14
Advances from affiliates	3,119	2,998
Income taxes payable	29,041	29,041
Other liabilities	20,524	20,772
Total liabilities	83,571	84,642
Total shareholders’ (deficit) equity	108,412	304,611
Total liabilities and shareholders’ deficit	191,983	389,253
Eliminations
ASSETS
Cash and cash equivalents	0	0	$ 0	$ 0
Receivables	(406)	(200)
Other current assets	(42,389)	(43,783)
Total current assets	(42,795)	(43,983)
Property and equipment, at cost, net	0	0
Goodwill	0	0
Intangible assets, net	0	0
Notes receivable, net of allowances	0	0
Investments, employee benefit plans, at fair value	0	0
Investments in affiliates	(331,321)	(522,606)
Advances to affiliates	(119,757)	(130,983)
Deferred income taxes	(2,601)	(2,828)
Other assets	0	0
Total assets	(496,474)	(700,400)
Current liabilities
Accounts payable	(406)	(200)
Accrued expenses and other current liabilities	(42,389)	(43,783)
Deferred revenue	0	0
Current portion of long-term debt	0	0
Liability for guest loyalty program	0	0
Total current liabilities	(42,795)	(43,983)
Long-term debt	0	0
Long-term deferred revenue	0	0
Deferred compensation and retirement plan obligations	0	0
Advances from affiliates	(119,757)	(130,983)
Income taxes payable	0	0
Other liabilities	(2,601)	(2,828)
Total liabilities	(165,153)	(177,794)
Total shareholders’ (deficit) equity	(331,321)	(522,606)
Total liabilities and shareholders’ deficit	$ (496,474)	$ (700,400)