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Investment Securities - Total investment securities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Contractual maturities of securities
Available for Sale, Cost Basis, Within 1 year	$ 10,170
Available for Sale, Cost Basis, After 1 year but within 5 years	31,486
Available for Sale, Cost Basis, After 5 years but within 10 years	37,767
Available for Sale, Cost Basis, Over 10 years	98,344
Investment securities available for sale, Cost Basis	177,767	$ 184,018
Available for Sale, Fair Value, Within 1 year	10,135
Available for Sale, Fair Value, After 1 year but within 5 years	30,353
Available for Sale, Fair Value, After 5 years but within 10 years	35,346
Available for Sale, Fair Value, Over 10 years	88,757
Available for Sale, Fair Value	164,591	165,711
Held to Maturity, Cost Basis, Within 1 year	3,541
Held to Maturity, Cost Basis, After 1 year but within 5 years	14,606
Held to Maturity, Cost Basis, After 5 years but within 10 years	19,746
Held to Maturity, Cost Basis, Over 10 years	27,558
Investment securities held to maturity, Cost Basis	65,451	63,979
Held to Maturity, Fair Value, Within 1 year	3,516
Held to Maturity, Fair Value, After 1 year but within 5 years	14,321
Held to Maturity, Fair Value, After 5 years but within 10 years	18,060
Held to Maturity, Fair Value, Over 10 years	25,993
Held to Maturity, Fair Value, Total	61,890	58,621
U.S. Agency
Contractual maturities of securities
Investment securities available for sale, Cost Basis	5,404	6,035
Available for Sale, Fair Value	4,857	5,339
Investment securities held to maturity, Cost Basis	2,500	2,500
Held to Maturity, Fair Value, Total	2,216	2,121
U.S. Agency mortgage-backed securities
Contractual maturities of securities
Investment securities available for sale, Cost Basis	103,083	104,820
Available for Sale, Fair Value	93,611	93,075
Investment securities held to maturity, Cost Basis	27,015	24,222
Held to Maturity, Fair Value, Total	25,553	22,213
Municipal
Contractual maturities of securities
Investment securities available for sale, Cost Basis	9,163	11,159
Available for Sale, Fair Value	8,674	10,360
Investment securities held to maturity, Cost Basis	32,521	32,787
Held to Maturity, Fair Value, Total	30,783	29,990
Corporate bonds and other securities
Contractual maturities of securities
Investment securities held to maturity, Cost Basis	3,415	4,470
Held to Maturity, Fair Value, Total	3,338	4,297
Corporate bonds
Contractual maturities of securities
Investment securities available for sale, Cost Basis	60,117	62,004
Available for Sale, Fair Value	$ 57,449	$ 56,937

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