FAIR VALUE DISCLOSURES - Assets (Liabilities) Measured at Fair Value on Recurring and Non-Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Recurring [Member]
Securities available for sale:
Asset-backed and other amortizing securities	$ 13,705	$ 14,581
Loans held for sale (mandatory)	9,912	13,791
Mortgage servicing rights	24,458	26,292
Asset derivatives	$ 10,895	$ 15,998
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Liability derivatives	$ (75)	$ (12)
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Recurring [Member] | Level 1 [Member]
Securities available for sale:
Asset-backed and other amortizing securities	$ 0	$ 0
Loans held for sale (mandatory)	0	0
Mortgage servicing rights	0	0
Asset derivatives	$ 0	$ 0
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Liability derivatives	$ 0	$ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Recurring [Member] | Level 2 [Member]
Securities available for sale:
Asset-backed and other amortizing securities	$ 13,705	$ 14,581
Loans held for sale (mandatory)	9,912	13,791
Mortgage servicing rights	0	0
Asset derivatives	$ 10,895	$ 15,998
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Liability derivatives	$ (75)	$ (12)
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Recurring [Member] | Level 3 [Member]
Securities available for sale:
Asset-backed and other amortizing securities	$ 0	$ 0
Loans held for sale (mandatory)	0	0
Mortgage servicing rights	24,458	26,292
Asset derivatives	$ 0	$ 0
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Liability derivatives	$ 0	$ 0
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:
Securities available for sale	$ 175,147	$ 173,297
Recurring [Member] | State and Municipal [Member] | Level 1 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | State and Municipal [Member] | Level 2 [Member]
Securities available for sale:
Securities available for sale	175,147	173,297
Recurring [Member] | State and Municipal [Member] | Level 3 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Residential Mortgage-backed Securities [Member]
Securities available for sale:
Securities available for sale	264,026	264,096
Recurring [Member] | Residential Mortgage-backed Securities [Member] | Level 1 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Residential Mortgage-backed Securities [Member] | Level 2 [Member]
Securities available for sale:
Securities available for sale	264,026	264,096
Recurring [Member] | Residential Mortgage-backed Securities [Member] | Level 3 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Commercial Mortgage-backed Securities [Member]
Securities available for sale:
Securities available for sale	43,296	40,360
Recurring [Member] | Commercial Mortgage-backed Securities [Member] | Level 1 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Commercial Mortgage-backed Securities [Member] | Level 2 [Member]
Securities available for sale:
Securities available for sale	43,296	40,360
Recurring [Member] | Commercial Mortgage-backed Securities [Member] | Level 3 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Commercial Collateralized Mortgage Obligations [Member]
Securities available for sale:
Securities available for sale	68,089	73,483
Recurring [Member] | Commercial Collateralized Mortgage Obligations [Member] | Level 1 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Commercial Collateralized Mortgage Obligations [Member] | Level 2 [Member]
Securities available for sale:
Securities available for sale	68,089	73,483
Recurring [Member] | Commercial Collateralized Mortgage Obligations [Member] | Level 3 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Other Securities [Member]
Securities available for sale:
Securities available for sale	6,875	11,423
Recurring [Member] | Other Securities [Member] | Level 1 [Member]
Securities available for sale:
Securities available for sale	0	0
Recurring [Member] | Other Securities [Member] | Level 2 [Member]
Securities available for sale:
Securities available for sale	6,875	11,423
Recurring [Member] | Other Securities [Member] | Level 3 [Member]
Securities available for sale:
Securities available for sale	0	0
Non-recurring [Member]
Securities available for sale:
Loans held for investment	7,230	20,566
Non-recurring [Member] | Level 1 [Member]
Securities available for sale:
Loans held for investment	0	0
Non-recurring [Member] | Level 2 [Member]
Securities available for sale:
Loans held for investment	0	0
Non-recurring [Member] | Level 3 [Member]
Securities available for sale:
Loans held for investment	$ 7,230	$ 20,566