FAIR VALUE DISCLOSURES, Assets (Liabilities) Measured at Fair Value on Recurring and Non-Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Securities available for sale [Abstract]
Securities available for sale	$ 622,762	$ 701,711
Mortgage servicing rights	26,569	27,474	$ 19,700	$ 9,049
State and Municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	180,575	225,055
Residential Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	300,704	328,845
Commercial Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	41,748	41,967
Commercial Collateralized Mortgage Obligations [Member]
Securities available for sale [Abstract]
Securities available for sale	71,930	75,638
Other Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	10,765	11,112
Recurring [Member]
Securities available for sale [Abstract]
Asset-backed and other amortizing securities	17,040	19,094
Loans held for sale (mandatory)	6,615	10,038
Mortgage servicing rights	26,569	27,474
Asset derivatives	$ 17,230	$ 21,162
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Liability derivatives	$ (432)	$ (128)
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Recurring [Member] | State and Municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	$ 180,575	$ 225,055
Recurring [Member] | Residential Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	300,704	328,845
Recurring [Member] | Commercial Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	41,748	41,967
Recurring [Member] | Commercial Collateralized Mortgage Obligations [Member]
Securities available for sale [Abstract]
Securities available for sale	71,930	75,638
Recurring [Member] | Other Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	10,765	11,112
Recurring [Member] | Level 1 [Member]
Securities available for sale [Abstract]
Asset-backed and other amortizing securities	0	0
Loans held for sale (mandatory)	0	0
Mortgage servicing rights	0	0
Asset derivatives	0	0
Liability derivatives	0	0
Recurring [Member] | Level 1 [Member] | State and Municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 1 [Member] | Residential Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 1 [Member] | Commercial Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 1 [Member] | Commercial Collateralized Mortgage Obligations [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 1 [Member] | Other Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 2 [Member]
Securities available for sale [Abstract]
Asset-backed and other amortizing securities	17,040	19,094
Loans held for sale (mandatory)	6,615	10,038
Mortgage servicing rights	0	0
Asset derivatives	17,230	21,162
Liability derivatives	(432)	(128)
Recurring [Member] | Level 2 [Member] | State and Municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	180,575	225,055
Recurring [Member] | Level 2 [Member] | Residential Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	300,704	328,845
Recurring [Member] | Level 2 [Member] | Commercial Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	41,748	41,967
Recurring [Member] | Level 2 [Member] | Commercial Collateralized Mortgage Obligations [Member]
Securities available for sale [Abstract]
Securities available for sale	71,930	75,638
Recurring [Member] | Level 2 [Member] | Other Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	10,765	11,112
Recurring [Member] | Level 3 [Member]
Securities available for sale [Abstract]
Asset-backed and other amortizing securities	0	0
Loans held for sale (mandatory)	0	0
Mortgage servicing rights	26,569	27,474
Asset derivatives	0	0
Liability derivatives	0	0
Recurring [Member] | Level 3 [Member] | State and Municipal [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 3 [Member] | Residential Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 3 [Member] | Commercial Mortgage-backed Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 3 [Member] | Commercial Collateralized Mortgage Obligations [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Recurring [Member] | Level 3 [Member] | Other Securities [Member]
Securities available for sale [Abstract]
Securities available for sale	0	0
Non-recurring [Member]
Assets Measured at Fair Value on a Non-Recurring Basis [Abstract]
Loans held for investment	1,482	4,821
Non-recurring [Member] | Level 1 [Member]
Assets Measured at Fair Value on a Non-Recurring Basis [Abstract]
Loans held for investment	0	0
Non-recurring [Member] | Level 2 [Member]
Assets Measured at Fair Value on a Non-Recurring Basis [Abstract]
Loans held for investment	0	0
Non-recurring [Member] | Level 3 [Member]
Assets Measured at Fair Value on a Non-Recurring Basis [Abstract]
Loans held for investment	$ 1,482	$ 4,821