Condensed Consolidating Statement Of Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
REVENUES
Royalty fees	$ 76,698	$ 68,294
Initial franchise and relicensing fees	6,214	5,806
Procurement services	9,938	7,363
Marketing and reservation system	107,001	98,853
Other	9,543	8,552
Total revenues	209,394	188,868
OPERATING EXPENSES
Selling, general and administrative	40,864	33,745
Marketing and reservation system	119,228	107,994
Depreciation and amortization	3,053	1,726
Total operating expenses	163,145	143,465
Operating income	46,249	45,403
OTHER INCOME AND EXPENSES, NET
Interest expense	11,309	11,205
Equity in earnings of consolidated subsidiaries	0	0
Other items, net	4,479	(81)
Total other income and expenses, net	15,788	11,124
Income before income taxes	30,461	34,279
Income taxes	5,375	10,010
Net income	25,086	24,269
Eliminations
REVENUES
Royalty fees	(39,596)	(36,551)
Initial franchise and relicensing fees	0	0
Procurement services	(143)	0
Marketing and reservation system	(91,566)	(86,044)
Other	(92)	(187)
Total revenues	(131,397)	(122,782)
OPERATING EXPENSES
Selling, general and administrative	(39,897)	(36,761)
Marketing and reservation system	(91,500)	(86,021)
Depreciation and amortization	0	0
Total operating expenses	(131,397)	(122,782)
Operating income	0	0
OTHER INCOME AND EXPENSES, NET
Interest expense	0	0
Equity in earnings of consolidated subsidiaries	9,695	12,737
Other items, net	0	0
Total other income and expenses, net	9,695	12,737
Income before income taxes	(9,695)	(12,737)
Income taxes	0	0
Net income	(9,695)	(12,737)
Parent
REVENUES
Royalty fees	71,615	63,596
Initial franchise and relicensing fees	6,052	5,611
Procurement services	9,679	7,301
Marketing and reservation system	88,395	87,700
Other	6,002	6,287
Total revenues	181,743	170,495
OPERATING EXPENSES
Selling, general and administrative	41,357	37,448
Marketing and reservation system	109,247	102,681
Depreciation and amortization	1,649	384
Total operating expenses	152,253	140,513
Operating income	29,490	29,982
OTHER INCOME AND EXPENSES, NET
Interest expense	10,991	11,063
Equity in earnings of consolidated subsidiaries	(10,766)	(13,192)
Other items, net	(497)	(364)
Total other income and expenses, net	(272)	(2,493)
Income before income taxes	29,762	32,475
Income taxes	4,676	8,206
Net income	25,086	24,269
Guarantor Subsidiaries
REVENUES
Royalty fees	36,209	30,735
Initial franchise and relicensing fees	0	0
Procurement services	124	0
Marketing and reservation system	106,426	93,724
Other	0	40
Total revenues	142,759	124,499
OPERATING EXPENSES
Selling, general and administrative	32,614	27,271
Marketing and reservation system	95,855	87,642
Depreciation and amortization	549	511
Total operating expenses	129,018	115,424
Operating income	13,741	9,075
OTHER INCOME AND EXPENSES, NET
Interest expense	0	0
Equity in earnings of consolidated subsidiaries	1,071	455
Other items, net	5,616	928
Total other income and expenses, net	6,687	1,383
Income before income taxes	7,054	7,692
Income taxes	727	2,026
Net income	6,327	5,666
Non-Guarantor Subsidiaries
REVENUES
Royalty fees	8,470	10,514
Initial franchise and relicensing fees	162	195
Procurement services	278	62
Marketing and reservation system	3,746	3,473
Other	3,633	2,412
Total revenues	16,289	16,656
OPERATING EXPENSES
Selling, general and administrative	6,790	5,787
Marketing and reservation system	5,626	3,692
Depreciation and amortization	855	831
Total operating expenses	13,271	10,310
Operating income	3,018	6,346
OTHER INCOME AND EXPENSES, NET
Interest expense	318	142
Equity in earnings of consolidated subsidiaries	0	0
Other items, net	(640)	(645)
Total other income and expenses, net	(322)	(503)
Income before income taxes	3,340	6,849
Income taxes	(28)	(222)
Net income	$ 3,368	$ 7,071