REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consumer incentives, expense	$ 127,000	$ 76,500	$ 105,600
Revenue from Contract with Customer, Excluding Assessed Tax	258,754	186,892	210,430
Contract with Customer, Asset, after Allowance for Credit Loss	78
Deferred revenue	3,280	349
Contract with Customer, Liability, Noncurrent	173	0
Revenue, Remaining Performance Obligation, Amount	17,900
Bridg Acquisition
Contract with Customer, Asset, after Allowance for Credit Loss, Current	52
Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent	26
Deferred revenue	1,627
Contract with Customer, Liability, Noncurrent	173
Contract with Customer, Liability	$ 1,800
Maximum
Contract With Customer, Subscription Term	36 months
Minimum
Contract With Customer, Subscription Term	6 months
Cost per Served Sales [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 175,434	131,045	143,754
Cost per Redemption [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	81,911	53,838	63,295
Cost Other [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	1,409	$ 2,009	$ 3,381
Bridg Subscription Revenue
Revenue from Contract with Customer, Excluding Assessed Tax	8,207
Bridg Other Revenue
Revenue from Contract with Customer, Excluding Assessed Tax	155
Bridg Total Revenue
Revenue from Contract with Customer, Excluding Assessed Tax	$ 8,362