ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loyalty Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Loyalty program
Loyalty deferred revenue, beginning balance	$ 4,292	$ 4,292
Loyalty points forfeited or expired	(3,987)	(1,874)
Loyalty points used	(9,809)	(4,761)
Loyalty points vested	11,676	5,681
Loyalty points unvested	$ 1,925	972
Loyalty deferred revenue, ending balance		4,310
Deferred commissions		$ 3,214	$ 2,369