SECURITIES - Available-for-sale Securities (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Available-for-sale Securities
Allowance for credit losses	$ 0	$ 0
Available-for-sale securities, amortized cost	449,099,000	449,923,000
Available-for-sale securities, gross unrealized holding gains	803,000	263,000
Available-for-sale securities, gross unrealized holding losses	(34,589,000)	(47,806,000)
Available-for-sale debt securities, at fair value	415,313,000	402,380,000
Obligations of the U.S. Treasury
Available-for-sale Securities
Available-for-sale securities, amortized cost	8,052,000	8,067,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(623,000)	(949,000)
Available-for-sale debt securities, at fair value	7,429,000	7,118,000
Obligations of U.S. Government agencies
Available-for-sale Securities
Available-for-sale securities, amortized cost	9,436,000	10,154,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(766,000)	(1,129,000)
Available-for-sale debt securities, at fair value	8,670,000	9,025,000
Bank holding company debt securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	28,963,000	28,958,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(2,672,000)	(3,712,000)
Available-for-sale debt securities, at fair value	26,291,000	25,246,000
Obligations Of States And Political Subdivisions Tax Exempt
Available-for-sale Securities
Available-for-sale securities, amortized cost	105,922,000	111,995,000
Available-for-sale securities, gross unrealized holding gains	275,000	238,000
Available-for-sale securities, gross unrealized holding losses	(8,669,000)	(10,931,000)
Available-for-sale debt securities, at fair value	97,528,000	101,302,000
Obligations Of States And Political Subdivisions Taxable
Available-for-sale Securities
Available-for-sale securities, amortized cost	50,373,000	51,147,000
Available-for-sale securities, gross unrealized holding gains	1,000	0
Available-for-sale securities, gross unrealized holding losses	(6,512,000)	(8,641,000)
Available-for-sale debt securities, at fair value	43,862,000	42,506,000
Residential Passthrough Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	107,771,000	104,378,000
Available-for-sale securities, gross unrealized holding gains	451,000	6,000
Available-for-sale securities, gross unrealized holding losses	(6,287,000)	(9,970,000)
Available-for-sale debt securities, at fair value	101,935,000	94,414,000
Residential Collateralized Mortgage Obligations
Available-for-sale Securities
Available-for-sale securities, amortized cost	54,678,000	53,389,000
Available-for-sale securities, gross unrealized holding gains	52,000	10,000
Available-for-sale securities, gross unrealized holding losses	(2,310,000)	(3,505,000)
Available-for-sale debt securities, at fair value	52,420,000	49,894,000
Commercial Mortgage Backed Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	72,433,000	73,470,000
Available-for-sale securities, gross unrealized holding gains	13,000	0
Available-for-sale securities, gross unrealized holding losses	(6,749,000)	(8,969,000)
Available-for-sale debt securities, at fair value	65,697,000	64,501,000
Private label commercial mortgage-backed securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	3,471,000	8,365,000
Available-for-sale securities, gross unrealized holding gains	0	9,000
Available-for-sale securities, gross unrealized holding losses	0	0
Available-for-sale debt securities, at fair value	3,471,000	$ 8,374,000
Asset-backed securities, Collateralized loan obligations
Available-for-sale Securities
Available-for-sale securities, amortized cost	8,000,000
Available-for-sale securities, gross unrealized holding gains	11,000
Available-for-sale securities, gross unrealized holding losses	(1,000)
Available-for-sale debt securities, at fair value	$ 8,010,000

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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