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MORTGAGE SERVICING RIGHTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Mortgage Servicing Rights Asset [Roll Forward]      
Beginning balance $ 9,049 $ 2,054 $ 1,270
Additions 9,196 9,829 1,332
Valuation adjustment 1,455 (2,834) (548)
Ending balance 19,700 9,049 2,054
Mortgage Servicing Rights Other Information [Abstract]      
Mortgage loans serviced for others $ 1,953,095 $ 1,203,687 $ 247,326
Mortgage servicing rights asset as a percentage of serviced mortgage loans 1.00% 1.00% 1.00%
Key Assumptions Used in Measuring Fair Value of Mortgage Servicing Rights [Abstract]      
Weighted average constant prepayment rate 12.35% 18.16%  
Weighted average discount rate 9.14% 9.72%  
Weighted average life in years 6 years 10 days 4 years 5 months 23 days