GOODWILL, OTHER INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Estimated Annual Amortization Expense) (Details) - Core Deposit Intangibles [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Expected Amortization, Year One	$ 2,626
Finite-Lived Intangible Asset, Expected Amortization, Year Two	1,567
Finite-Lived Intangible Asset, Expected Amortization, Year Three	904
Finite-Lived Intangible Asset, Expected Amortization, Year Four	426
Finite-Lived Intangible Asset, Expected Amortization, Year Five	126
Finite-Lived Intangible Asset, Expected Amortization, after Year Five	35
Net carrying amount	$ 5,684	$ 9,440	$ 14,855	$ 21,426