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Investment Securities - Total investment securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Contractual maturities of securities
Available for Sale, Cost Basis, Within 1 year	$ 4,220
Available for Sale, Cost Basis, After 1 year but within 5 years	48,377
Available for Sale, Cost Basis, After 5 years but within 10 years	46,387
Available for Sale, Cost Basis, Over 10 years	93,951
Investment securities available for sale, Cost Basis	192,935	$ 198,417
Available for Sale, Fair Value, Within 1 year	4,174
Available for Sale, Fair Value, After 1 year but within 5 years	45,721
Available for Sale, Fair Value, After 5 years but within 10 years	39,518
Available for Sale, Fair Value, Over 10 years	81,014
Available for Sale, Fair Value, Total	170,427	179,508
Held to Maturity, Cost Basis, Within 1 year	3,413
Held to Maturity, Cost Basis, After 1 year but within 5 years	11,926
Held to Maturity, Cost Basis, After 5 years but within 10 years	25,497
Held to Maturity, Cost Basis, Over 10 years	20,996
Investment securities held to maturity, Cost Basis	61,832	61,878
Held to Maturity, Fair Value, Within 1 year	3,376
Held to Maturity, Fair Value, After 1 year but within 5 years	11,330
Held to Maturity, Fair Value, After 5 years but within 10 years	22,364
Held to Maturity, Fair Value, Over 10 years	18,359
Held to Maturity, Fair Value, Total	$ 55,429	$ 55,192

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