GOODWILL AND OTHER INTANGIBLES AND SERVICING RIGHTS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
MSR asset
Servicing Assets at Fair Value [Line Items]
Valuation allowance recorded	$ 500	$ 1,000
Servicing asset	13,636	10,230	$ 5,919
Loans serviced for others	1,583,577	$ 1,250,206
LSR asset
Servicing Assets at Fair Value [Line Items]
Servicing asset	20,000
Loans serviced for others	$ 794,000