SECURITIES - Available-for-sale Securities (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Available-for-sale Securities
Allowance for credit losses	$ 0	$ 0
Available-for-sale securities, amortized cost	445,817,000	449,923,000
Available-for-sale securities, gross unrealized holding gains	658,000	263,000
Available-for-sale securities, gross unrealized holding losses	(40,423,000)	(47,806,000)
Available-for-sale debt securities, at fair value	406,052,000	402,380,000
Obligations of the U.S. Treasury
Available-for-sale Securities
Available-for-sale securities, amortized cost	8,057,000	8,067,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(683,000)	(949,000)
Available-for-sale debt securities, at fair value	7,374,000	7,118,000
Obligations of U.S. Government agencies
Available-for-sale Securities
Available-for-sale securities, amortized cost	9,790,000	10,154,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(794,000)	(1,129,000)
Available-for-sale debt securities, at fair value	8,996,000	9,025,000
Bank holding company debt securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	28,961,000	28,958,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(3,194,000)	(3,712,000)
Available-for-sale debt securities, at fair value	25,767,000	25,246,000
Obligations Of States And Political Subdivisions Tax Exempt
Available-for-sale Securities
Available-for-sale securities, amortized cost	109,330,000	111,995,000
Available-for-sale securities, gross unrealized holding gains	218,000	238,000
Available-for-sale securities, gross unrealized holding losses	(11,588,000)	(10,931,000)
Available-for-sale debt securities, at fair value	97,960,000	101,302,000
Obligations Of States And Political Subdivisions Taxable
Available-for-sale Securities
Available-for-sale securities, amortized cost	50,499,000	51,147,000
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	(7,281,000)	(8,641,000)
Available-for-sale debt securities, at fair value	43,218,000	42,506,000
Residential Passthrough Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	100,257,000	104,378,000
Available-for-sale securities, gross unrealized holding gains	158,000	6,000
Available-for-sale securities, gross unrealized holding losses	(6,885,000)	(9,970,000)
Available-for-sale debt securities, at fair value	93,530,000	94,414,000
Residential Collateralized Mortgage Obligations
Available-for-sale Securities
Available-for-sale securities, amortized cost	53,465,000	53,389,000
Available-for-sale securities, gross unrealized holding gains	271,000	10,000
Available-for-sale securities, gross unrealized holding losses	(2,607,000)	(3,505,000)
Available-for-sale debt securities, at fair value	51,129,000	49,894,000
Commercial Mortgage Backed Securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	74,380,000	73,470,000
Available-for-sale securities, gross unrealized holding gains	5,000	0
Available-for-sale securities, gross unrealized holding losses	(7,377,000)	(8,969,000)
Available-for-sale debt securities, at fair value	67,008,000	64,501,000
Private label commercial mortgage-backed securities
Available-for-sale Securities
Available-for-sale securities, amortized cost	5,578,000	8,365,000
Available-for-sale securities, gross unrealized holding gains	6,000	9,000
Available-for-sale securities, gross unrealized holding losses	(4,000)	0
Available-for-sale debt securities, at fair value	5,580,000	$ 8,374,000
Asset-backed securities, Collateralized loan obligations
Available-for-sale Securities
Available-for-sale securities, amortized cost	5,500,000
Available-for-sale securities, gross unrealized holding gains	0
Available-for-sale securities, gross unrealized holding losses	(10,000)
Available-for-sale debt securities, at fair value	$ 5,490,000

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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