INVESTMENT SECURITIES - Schedule of Allowance for Credit Losses HTM (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Held-to-maturity
Beginning balance	$ 3,214	$ 3,214
Provision for credit loss expense	3,214	0	$ (1,826)
Net (decrease) increase in allowance on previously impaired securities	0	0
Ending balance	0	3,214	3,214
State and political subdivisions
Held-to-maturity
Beginning balance	196	2,006
Provision for credit loss expense	202	0
Net (decrease) increase in allowance on previously impaired securities	6	(1,810)
Ending balance	0	196	2,006
Other securities
Held-to-maturity
Beginning balance	3,018	1,208
Provision for credit loss expense	3,012	0
Net (decrease) increase in allowance on previously impaired securities	(6)	1,810
Ending balance	$ 0	$ 3,018	$ 1,208