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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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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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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 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 ($)	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	$ 183,813,000		$ 172,857,000
Investment securities available for sale, Gross Unrealized Gains	636,000		186,000
Investment securities available for sale, Gross Unrealized Losses	(13,684,000)		(17,063,000)
Investment securities available for sale, Allowance for credit losses	(1,000,000)	$ (1,000,000)	(360,000)	$ (360,000)	$ (116,000)	$ (926,000)
Available for sale, Fair Value	169,765,000		155,620,000
Investment securities - HTM, Carrying Value	67,555,000		63,837,000
Investment securities held to maturity, Gross Unrealized Gains	66,000		28,000
Investment securities held to maturity, Gross Unrealized Losses	(4,341,000)		(5,394,000)
Investment securities - HTM, Fair Value	63,280,000		58,471,000
Investment securities held to maturity, Allowance for credit losses	(85,000)	(96,000)	(89,000)	(100,000)	(90,000)	(37,000)
U.S. Agency
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	5,256,000		5,345,000
Investment securities available for sale, Gross Unrealized Losses	(484,000)		(679,000)
Available for sale, Fair Value	4,772,000		4,666,000
Investment securities - HTM, Carrying Value	2,500,000		2,500,000
Investment securities held to maturity, Gross Unrealized Losses	(281,000)		(365,000)
Investment securities - HTM, Fair Value	2,219,000		2,135,000
Investment securities held to maturity, Allowance for credit losses	0
U.S. Agency mortgage-backed securities
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	113,795,000		104,227,000
Investment securities available for sale, Gross Unrealized Gains	422,000		90,000
Investment securities available for sale, Gross Unrealized Losses	(10,687,000)		(12,783,000)
Available for sale, Fair Value	103,530,000		91,534,000
Investment securities - HTM, Carrying Value	31,552,000		26,966,000
Investment securities held to maturity, Gross Unrealized Gains	64,000		28,000
Investment securities held to maturity, Gross Unrealized Losses	(2,060,000)		(2,403,000)
Investment securities - HTM, Fair Value	29,556,000		24,591,000
Investment securities held to maturity, Allowance for credit losses	0
Municipal
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	11,447,000		9,031,000
Investment securities available for sale, Gross Unrealized Gains	44,000		2,000
Investment securities available for sale, Gross Unrealized Losses	(475,000)		(670,000)
Available for sale, Fair Value	11,016,000		8,363,000
Investment securities - HTM, Carrying Value	30,088,000		30,959,000
Investment securities held to maturity, Gross Unrealized Gains	2,000
Investment securities held to maturity, Gross Unrealized Losses	(1,819,000)		(2,553,000)
Investment securities - HTM, Fair Value	28,271,000		28,406,000
Investment securities held to maturity, Allowance for credit losses	(2,000)	(1,000)	(2,000)	(2,000)	(2,000)	(2,000)
Corporate bonds
Information concerning investments with unrealized gains and losses
Investment securities available for sale, Cost Basis	53,315,000		54,254,000
Investment securities available for sale, Gross Unrealized Gains	170,000		94,000
Investment securities available for sale, Gross Unrealized Losses	(2,038,000)		(2,931,000)
Investment securities available for sale, Allowance for credit losses	(1,000,000)	(1,000,000)	(360,000)	(360,000)	(116,000)	(926,000)
Available for sale, Fair Value	50,447,000		51,057,000
Corporate bonds and other securities
Information concerning investments with unrealized gains and losses
Investment securities - HTM, Carrying Value	3,415,000		3,412,000
Investment securities held to maturity, Gross Unrealized Losses	(181,000)		(73,000)
Investment securities - HTM, Fair Value	3,234,000		3,339,000
Investment securities held to maturity, Allowance for credit losses	$ (83,000)	$ (95,000)	$ (87,000)	$ (98,000)	$ (88,000)	$ (35,000)