GOODWILL - Schedule of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 136,091
Acquisition	44,901
Foreign currency translation	(539)
Measurement period adjustment	(4,480)
Goodwill, ending balance	175,973
U.S.
Goodwill [Roll Forward]
Goodwill, beginning balance	105,922
Acquisition	0
Foreign currency translation	0
Measurement period adjustment	0
Goodwill, ending balance	105,922
Canada Direct Lending
Goodwill [Roll Forward]
Goodwill, beginning balance	30,169
Acquisition	0
Foreign currency translation	(48)
Measurement period adjustment	0
Goodwill, ending balance	30,121
Canada POS Lending
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquisition	44,901
Foreign currency translation	(491)
Measurement period adjustment	(4,480)
Goodwill, ending balance	$ 39,930