Securities - Amortized cost to fair value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	$ 282,171	$ 272,558
Unrealized Gain	714	1,087
Unrealized Loss	(5,644)	(4,686)
Allowance for Credit Losses	0	0
Fair Value	277,241	268,959
U.S. Treasury securities
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	96,467	95,479
Unrealized Gain	132	407
Unrealized Loss	(278)	(103)
Allowance for Credit Losses	0	0
Fair Value	96,321	95,783
U.S. Government agencies
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	4,670	9,159
Unrealized Gain	20	53
Unrealized Loss	(4)
Allowance for Credit Losses	0	0
Fair Value	4,686	9,212
Agency mortgage-backed securities
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	91,838	69,682
Unrealized Gain	100	162
Unrealized Loss	(2,085)	(1,253)
Allowance for Credit Losses	0	0
Fair Value	89,853	68,591
Agency collateralized mortgage obligations
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	11,321	12,109
Unrealized Gain	191	202
Unrealized Loss	(125)	(74)
Allowance for Credit Losses	0	0
Fair Value	11,387	12,237
Corporate bonds
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	64,702	72,703
Unrealized Gain	271	263
Unrealized Loss	(2,976)	(3,081)
Allowance for Credit Losses	0	0
Fair Value	61,997	69,885
Municipal obligations
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	6,599	6,596
Unrealized Loss	(59)	(72)
Allowance for Credit Losses	0	0
Fair Value	6,540	6,524
SBA securities
Amortized cost and estimated fair values of securities classified as Available-for-Sale
Amortized Cost	6,574	6,830
Unrealized Loss	(117)	(103)
Allowance for Credit Losses	0	0
Fair Value	$ 6,457	$ 6,727

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).

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

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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
-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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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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