REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consumer incentives, expense	$ 144,200	$ 143,900	$ 127,000
Revenue from Contract with Customer, Excluding Assessed Tax	285,425	277,185	258,754
Contract with Customer, Asset, after Allowance for Credit Loss	41	28
Deferred revenue	2,405	1,751
Long-term deferred revenue	67	334
Revenue, Remaining Performance Obligation, Amount	30,400
Bridg Acquisition
Contract with Customer, Asset, after Allowance for Credit Loss, Current	41	28
Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent	0	0
Deferred revenue	2,204	1,750
Long-term deferred revenue	67	334
Contract with Customer, Liability	2,271	2,084
Cost per Served Sales [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	191,260	180,701	175,434
Cost per Redemption [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	86,529	87,992	81,911
Cost Other [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	7,636	8,492	1,409
Bridg Subscription Revenue
Revenue from Contract with Customer, Excluding Assessed Tax	23,779	21,190	8,207
Bridg Other Revenue
Revenue from Contract with Customer, Excluding Assessed Tax	0	167	155
Bridg Total Revenue
Revenue from Contract with Customer, Excluding Assessed Tax	$ 23,779	$ 21,357	$ 8,362