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Securities - Amortized cost and fair values, together with gross unrealized gains and losses of securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities
Amortized Cost	$ 245,389
Amortized cost	245,389	$ 228,607
Gross Unrealized Gains	6	459
Gross Unrealized Losses	(20,716)	(11,442)
Allowance for Credit Losses	0
Fair Value	224,679	217,624
U.S. government agencies
Securities
Amortized Cost	45,000
Amortized cost		45,000
Gross Unrealized Gains	0
Gross Unrealized Losses	(1,355)	(968)
Fair Value	43,645	44,032
State and municipal obligations
Securities
Amortized Cost	171,346
Amortized cost		152,447
Gross Unrealized Gains	6	459
Gross Unrealized Losses	(14,353)	(7,408)
Fair Value	156,999	145,498
Subordinated Notes
Securities
Amortized Cost	29,043
Amortized cost		31,160
Gross Unrealized Gains	0
Gross Unrealized Losses	(5,008)	(3,066)
Fair Value	$ 24,035	$ 28,094

X

- Definition

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
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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Amortized cost excluding accrued interest, after 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).

+ References

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-Section 45
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-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
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