GOODWILL - Narrative (Details) - USD ($)		3 Months Ended	7 Months Ended	9 Months Ended
	Mar. 10, 2021	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Loss on impairment of goodwill		$ 0		$ 0
Acquisition				44,901,000
Measurement period adjustment				(4,480,000)
Goodwill		175,973,000	$ 175,973,000	175,973,000	$ 136,091,000
Canada POS Lending
Finite-Lived Intangible Assets [Line Items]
Acquisition				44,901,000
Measurement period adjustment				(4,480,000)
Goodwill		39,930,000	39,930,000	39,930,000	$ 0
Flexiti
Finite-Lived Intangible Assets [Line Items]
Acquisition	$ 44,900,000
Measurement period adjustment			(4,480,000)	(4,500,000)
Goodwill	$ 44,901,000	$ 40,421,000	$ 40,421,000	$ 40,421,000