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MORTGAGE SERVICING RIGHTS (Gross Carrying Value, Accumulated Amortization, Net Carrying Value) (Details) - Mortgage servicing rights - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Gross carrying value, accumulated amortization and net carrying value related to intangible assets        
Gross Carrying Value $ 69,674 $ 69,413    
Accumulated Amortization (60,877) (60,339)    
Net Carrying Value $ 8,797 $ 9,074 $ 9,216 $ 9,738