INVESTMENT SECURITIES - Allowance for credit losses of held to maturity securities by major security type (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Schedule of Held-to-Maturity Securities [Line Items]
Beginning Balance	$ 89,000	$ 37,000
Provision (Recovery)	1,000	52,000
Ending Balance	90,000	89,000
Municipal
Schedule of Held-to-Maturity Securities [Line Items]
Beginning Balance	2,000	2,000
Provision (Recovery)	(1,000)
Ending Balance	1,000	2,000
Corporate bonds and other securities
Schedule of Held-to-Maturity Securities [Line Items]
Beginning Balance	87,000	35,000
Provision (Recovery)	2,000	52,000
Ending Balance	$ 89,000	$ 87,000