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SERVICING ASSETS (Changes in Serving Rights at Fair Value) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Servicing Asset at Fair Value, Amount [Roll Forward]    
Fair value at beginning of period $ 48,973 $ 47,295
Servicing from mortgage securitization or asset transfers 1,119 1,420
Changes due to payments on loans (1,499) (1,507)
Changes in fair value due to changes in valuation model inputs or assumptions 853 703
Fair value at end of period $ 49,446 $ 47,911