LOANS AND CREDIT QUALITY (Purchases) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Loans and Leases Receivable Disclosure [Line Items]
Outstanding balance	$ 90,461	$ 93,055	$ 260,117	$ 210,442
(Discount) premium	(3,976)	(1,492)	(7,929)	(526)
Purchase price	86,485	91,563	252,188	209,916
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Outstanding balance	90,461	70,994	195,227	139,010
(Discount) premium	(3,976)	(2,843)	(11,386)	(5,606)
Purchase price	86,485	68,151	183,841	133,404
U.S. Mainland Consumer - Automobile
Loans and Leases Receivable Disclosure [Line Items]
Outstanding balance	0	22,061	64,890	71,432
(Discount) premium	0	1,351	3,457	5,080
Purchase price	$ 0	$ 23,412	$ 68,347	$ 76,512