REVENUE - Contract with Customer (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Deferred franchise and license fees
Contract liabilities:
Balance at Beginning of Period	$ 28,293	$ 33,464
Recognition of revenue included in beginning balance	(2,722)	(2,861)
Contract liability, net of revenue, recognized during the period	1,303	668
Balance at the End of Period	26,874	31,271
PRO Access and loyalty program points
Contract liabilities:
Balance at Beginning of Period	22,896	24,836
Recognition of revenue included in beginning balance	(11,879)	(12,423)
Contract liability, net of revenue, recognized during the period	11,096	12,863
Balance at the End of Period	22,113	25,276
Gift card liability (1)
Contract liabilities:
Balance at Beginning of Period	3,110	3,416
Recognition of revenue included in beginning balance	(1,367)	(1,523)
Contract liability, net of revenue, recognized during the period	207	181
Balance at the End of Period	$ 1,950	$ 2,074