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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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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 excluding accrued interest, 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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Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

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Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Investment Securities - Cost basis and fair values of investment securities (Details) - USD ($)	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	$ 180,571,000		$ 172,857,000
Investment securities available for sale, Gross Unrealized Gains	1,042,000		186,000
Investment securities available for sale, Gross Unrealized Losses	(12,052,000)		(17,063,000)
Investment securities available for sale, Allowance for credit losses	0	$ (1,000,000)	(360,000)	$ (360,000)	$ (360,000)	$ (926,000)
Available for sale, Fair Value	169,561,000		155,620,000
Investment securities - HTM, Cost Basis	67,273,000		63,926,000
Investment securities held to maturity, Allowance for credit losses	(94,000)	(85,000)	(89,000)	(88,000)	(100,000)	(37,000)
Investment securities - HTM, Carrying Value	67,179,000		63,837,000
Investment securities held to maturity, Gross Unrealized Gains	161,000		28,000
Investment securities held to maturity, Gross Unrealized Losses	(3,848,000)		(5,394,000)
Investment securities - HTM, Fair Value	63,492,000		58,471,000
U.S. Agency
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	5,207,000		5,345,000
Investment securities available for sale, Gross Unrealized Losses	(416,000)		(679,000)
Available for sale, Fair Value	4,791,000		4,666,000
Investment securities - HTM, Cost Basis	2,500,000		2,500,000
Investment securities held to maturity, Allowance for credit losses	0
Investment securities - HTM, Carrying Value	2,500,000		2,500,000
Investment securities held to maturity, Gross Unrealized Losses	(246,000)		(365,000)
Investment securities - HTM, Fair Value	2,254,000		2,135,000
U.S. Agency mortgage-backed securities
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	115,335,000		104,227,000
Investment securities available for sale, Gross Unrealized Gains	590,000		90,000
Investment securities available for sale, Gross Unrealized Losses	(9,748,000)		(12,783,000)
Available for sale, Fair Value	106,177,000		91,534,000
Investment securities - HTM, Cost Basis	33,769,000		26,966,000
Investment securities held to maturity, Allowance for credit losses	0
Investment securities - HTM, Carrying Value	33,769,000		26,966,000
Investment securities held to maturity, Gross Unrealized Gains	157,000		28,000
Investment securities held to maturity, Gross Unrealized Losses	(1,885,000)		(2,403,000)
Investment securities - HTM, Fair Value	32,041,000		24,591,000
Municipal
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	11,261,000		9,031,000
Investment securities available for sale, Gross Unrealized Gains	94,000		2,000
Investment securities available for sale, Gross Unrealized Losses	(417,000)		(670,000)
Available for sale, Fair Value	10,938,000		8,363,000
Investment securities - HTM, Cost Basis	28,505,000		30,961,000
Investment securities held to maturity, Allowance for credit losses	(1,000)	(2,000)	(2,000)	(2,000)	(2,000)	(2,000)
Investment securities - HTM, Carrying Value	28,504,000		30,959,000
Investment securities held to maturity, Gross Unrealized Gains	4,000
Investment securities held to maturity, Gross Unrealized Losses	(1,588,000)		(2,553,000)
Investment securities - HTM, Fair Value	26,920,000		28,406,000
Corporate bonds
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	48,768,000		54,254,000
Investment securities available for sale, Gross Unrealized Gains	358,000		94,000
Investment securities available for sale, Gross Unrealized Losses	(1,471,000)		(2,931,000)
Investment securities available for sale, Allowance for credit losses		(1,000,000)	(360,000)	(360,000)	(360,000)	(926,000)
Available for sale, Fair Value	47,655,000		51,057,000
Corporate bonds and other securities
Information concerning investments with unrealized gains and losses
Investment securities - HTM, Cost Basis	2,499,000		3,499,000
Investment securities held to maturity, Allowance for credit losses	(93,000)	$ (83,000)	(87,000)	$ (86,000)	$ (98,000)	$ (35,000)
Investment securities - HTM, Carrying Value	2,406,000		3,412,000
Investment securities held to maturity, Gross Unrealized Losses	(129,000)		(73,000)
Investment securities - HTM, Fair Value	$ 2,277,000		$ 3,339,000