GOODWILL AND ACQUIRED INTANGIBLES - Other Intangible Assets Subject to Amortization (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Cost	$ 154,500	$ 144,700
Accumulated Amortization	(41,272)	(19,712)
Net	113,228	124,988
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	3,500	2,700
Accumulated Amortization	(1,651)	(753)
Net	$ 1,849	$ 1,947
Weighted Average Remaining Useful Life	1 year 8 months 12 days	2 years 1 month 6 days
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 91,700	$ 91,000
Accumulated Amortization	(22,589)	(11,026)
Net	$ 69,111	$ 79,974
Weighted Average Remaining Useful Life	4 years 6 months	5 years 3 months 18 days
Merchant Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 40,300	$ 32,000
Accumulated Amortization	(11,227)	(4,900)
Net	$ 29,073	$ 27,100
Weighted Average Remaining Useful Life	3 years 4 months 24 days	4 years 2 months 12 days
Partner Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 2,000	$ 2,000
Accumulated Amortization	(450)	(235)
Net	$ 1,550	$ 1,765
Weighted Average Remaining Useful Life	5 years 4 months 24 days	6 years 2 months 12 days
Card-Linked Subscriber User Base [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 17,000	$ 17,000
Accumulated Amortization	(5,355)	(2,798)
Net	$ 11,645	$ 14,202
Weighted Average Remaining Useful Life	3 years 4 months 24 days	4 years 2 months 12 days