SECURITIES - Amortized cost and fair values of securities, with gross unrealized gains and losses (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Available-for-sale securities:
Amortized Cost	$ 52,585,000	$ 51,088,000
Unrealized Gains	61,000	12,000
Unrealized Losses	(3,493,000)	(4,118,000)
Allowance for Credit Losses	(518,000)	(498,000)	$ (47,000)
FairValue	48,635,000	46,484,000
Assets pledged as collateral
Available-for-sale securities:
FairValue	27,800,000	22,200,000
Assets pledged as collateral | Deposits with local municipalities
Available-for-sale securities:
Assets pledged, fair value	5,100,000	178,000
Investments at fair market value	4,600,000	165,000
Assets pledged as collateral | Link deposit program
Available-for-sale securities:
Assets pledged, fair value	1,400,000	337,000
Investments at fair market value	1,200,000	282,000
U.S. Treasury securities
Available-for-sale securities:
Amortized Cost	14,775,000	15,923,000
Unrealized Gains	36,000	4,000
Unrealized Losses	(16,000)	(116,000)
FairValue	14,795,000	15,811,000
U.S. Government Agency securities
Available-for-sale securities:
Amortized Cost	1,000,000	1,000,000
Unrealized Losses	(100,000)	(162,000)
FairValue	900,000	838,000
Municipal securities
Available-for-sale securities:
Amortized Cost	16,406,000	17,151,000
Unrealized Gains	3,000
Unrealized Losses	(2,364,000)	(2,372,000)
Allowance for Credit Losses	(518,000)	(498,000)
FairValue	13,527,000	14,281,000
Mortgage-backed securities and collateralized mortgage obligations
Available-for-sale securities:
Amortized Cost	11,796,000	6,862,000
Unrealized Gains	10,000
Unrealized Losses	(891,000)	(1,107,000)
FairValue	10,915,000	5,755,000
Corporate securities
Available-for-sale securities:
Amortized Cost	8,608,000	10,152,000
Unrealized Gains	12,000	8,000
Unrealized Losses	(122,000)	(361,000)
FairValue	$ 8,498,000	$ 9,799,000