SECURITIES - Amortized cost, related estimated fair value, and unrealized gains and losses (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Available-for-Sale Securities
Amortized Cost	$ 421,280,000	$ 425,972,000
Gross Unrealized Gains	799,000	536,000
Gross Unrealized Losses	(31,791,000)	(33,540,000)
Fair Value	390,288,000	392,968,000
Allowance for credit losses for Available-For-Sale debt securities	0
Other mortgage backed securities
Available-for-Sale Securities
Amortized Cost	48,336,000	36,623,000
Gross Unrealized Gains	65,000	168,000
Gross Unrealized Losses	(2,128,000)	(2,741,000)
Fair Value	46,273,000	34,050,000
U.S. Treasury securities
Available-for-Sale Securities
Amortized Cost	7,911,000	7,881,000
Gross Unrealized Losses	(760,000)	(840,000)
Fair Value	7,151,000	7,041,000
Obligations of U.S. Government Agencies and Sponsored Agencies Mortgage-backed
Available-for-Sale Securities
Amortized Cost	150,999,000	152,510,000
Gross Unrealized Gains	170,000
Gross Unrealized Losses	(14,461,000)	(14,518,000)
Fair Value	136,708,000	137,992,000
Obligations of U.S. Government Agencies and Sponsored Agencies Other
Available-for-Sale Securities
Amortized Cost	5,080,000	7,560,000
Gross Unrealized Gains	78,000	126,000
Gross Unrealized Losses	(36,000)	(54,000)
Fair Value	5,122,000	7,632,000
Obligations of state and political subdivisions
Available-for-Sale Securities
Amortized Cost	93,809,000	97,899,000
Gross Unrealized Gains	19,000	18,000
Gross Unrealized Losses	(10,343,000)	(10,214,000)
Fair Value	83,485,000	87,703,000
Asset-backed securities
Available-for-Sale Securities
Amortized Cost	74,006,000	82,852,000
Gross Unrealized Gains	263,000	150,000
Gross Unrealized Losses	(402,000)	(840,000)
Fair Value	73,867,000	82,162,000
Corporate debt securities
Available-for-Sale Securities
Amortized Cost	41,139,000	40,647,000
Gross Unrealized Gains	204,000	74,000
Gross Unrealized Losses	(3,661,000)	(4,333,000)
Fair Value	$ 37,682,000	$ 36,388,000