GOODWILL - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 27, 2021	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Loss on impairment of goodwill		$ 0
Measurement period adjustment				$ 15,379
Goodwill		444,121	$ 444,121	444,121	$ 429,792
Foreign currency translation				(1,050)
Canada POS Lending
Finite-Lived Intangible Assets [Line Items]
Measurement period adjustment				0
Goodwill		39,310	39,310	39,310	39,908
Foreign currency translation				(598)
U.S. (1)
Finite-Lived Intangible Assets [Line Items]
Measurement period adjustment				15,379
Goodwill		375,158	375,158	375,158	359,779
Foreign currency translation				0
Flexiti | Canada POS Lending
Finite-Lived Intangible Assets [Line Items]
Measurement period adjustment					(4,500)
Goodwill					39,900
Foreign currency translation					$ 500
Heights
Finite-Lived Intangible Assets [Line Items]
Measurement period adjustment			(15,379)
Goodwill	$ 253,857	$ 269,236	$ 269,236	$ 269,236
Heights | U.S. (1)
Finite-Lived Intangible Assets [Line Items]
Acquisition	$ 253,900