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Securities - Amortized cost to fair value (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	$ 235,900	$ 238,159
Unrealized gain	1,010	425
Unrealized loss	(5,887)	(10,379)
Allowance for credit losses	0	0
Fair Value	231,023	228,205
U.S. Treasury securities
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	68,838	69,469
Unrealized gain	338	104
Unrealized loss	(153)	(489)
Allowance for credit losses	0	0
Fair Value	69,023	69,084
U.S. Government agencies
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	11,149	9,005
Unrealized gain	52	9
Unrealized loss	(1)	(7)
Allowance for credit losses	0	0
Fair Value	11,200	9,007
Agency mortgage-backed securities
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	45,043	42,083
Unrealized gain	124
Unrealized loss	(1,320)	(2,899)
Allowance for credit losses	0	0
Fair Value	43,847	39,184
Agency collateralized mortgage obligations
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	10,833	10,993
Unrealized gain	224	147
Unrealized loss	(107)	(307)
Allowance for credit losses	0	0
Fair Value	10,950	10,833
Corporate bonds
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	86,465	90,219
Unrealized gain	272	163
Unrealized loss	(4,093)	(6,337)
Allowance for credit losses	0	0
Fair Value	82,644	84,045
Municipal obligations
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	6,595	10,092
Unrealized loss	(107)	(286)
Allowance for credit losses	0	0
Fair Value	6,488	9,806
SBA securities
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	6,977	6,298
Unrealized gain		2
Unrealized loss	(106)	(54)
Allowance for credit losses	0	0
Fair Value	$ 6,871	$ 6,246

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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- Definition

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
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

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- Definition

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
-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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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).

+ References

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

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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