FAIR VALUES OF FINANCIAL INSTRUMENTS - Reconciliation and Income Statement Unobservable Inputs (Level 3) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Total realized/unrealized gains or losses
Beginning balance	$ 4,182	$ 4,531
Total realized/unrealized gains or losses - Included in earnings	0	0
Total realized/unrealized gains or losses - Included in other comprehensive income	$ (106)	$ 16
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]	Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, before Tax, Portion Attributable to Parent	Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, before Tax, Portion Attributable to Parent
Transfers	$ 0	$ 0
Settlements	(375)	(365)
Ending balance	3,701	4,182
State and municipal obligations
Total realized/unrealized gains or losses
Beginning balance	1,180	1,545
Total realized/unrealized gains or losses - Included in earnings	0	0
Total realized/unrealized gains or losses - Included in other comprehensive income	0
Transfers	0	0
Settlements	(375)	(365)
Ending balance	805	1,180
Collateralized debt obligations
Total realized/unrealized gains or losses
Beginning balance	3,002	2,986
Total realized/unrealized gains or losses - Included in earnings	0	0
Total realized/unrealized gains or losses - Included in other comprehensive income	(106)	16
Settlements	0	0
Ending balance	$ 2,896	$ 3,002