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Loans and ACL - Summary of Loan Composition (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,536,364	$ 1,423,571
Percent of Total	100.00%	100.00%
Commercial and industrial: Secured
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 189,071	$ 177,239
Percent of Total	12.31%	12.45%
Commercial and industrial: Unsecured
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 31,379	$ 23,384
Percent of Total	2.04%	1.64%
Total commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 220,450	$ 200,623
Percent of Total	14.35%	14.09%
Commercial mortgage owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 229,906	$ 213,086
Percent of Total	14.96%	14.97%
Commercial real estate: Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 223,984	$ 217,679
Percent of Total	14.58%	15.29%
Commercial mortgage 1-4 family investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 101,400	$ 92,497
Percent of Total	6.60%	6.50%
Commercial mortgage multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 84,468	$ 68,456
Percent of Total	5.50%	4.81%
Total commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 639,758	$ 591,718
Percent of Total	41.64%	41.57%
Advances to mortgage brokers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 76,676	$ 63,080
Percent of Total	4.99%	4.43%
Agricultural mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 69,769	$ 67,550
Percent of Total	4.54%	4.75%
Agricultural other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 32,340	$ 32,144
Percent of Total	2.11%	2.26%
Total agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 102,109	$ 99,694
Percent of Total	6.65%	7.01%
Senior Lien
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 372,287	$ 332,743
Percent of Total	24.23%	23.37%
Junior lien
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 10,970	$ 8,655
Percent of Total	0.71%	0.61%
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 44,623	$ 39,474
Percent of Total	2.91%	2.77%
Total residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 427,880	$ 380,872
Percent of Total	27.85%	26.75%
Consumer: Secured - direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 28,648	$ 35,050
Percent of Total	1.86%	2.46%
Consumer: Secured - indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 37,456	$ 49,136
Percent of Total	2.44%	3.45%
Unsecured
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 3,387	$ 3,398
Percent of Total	0.22%	0.24%
Total consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 69,491	$ 87,584
Percent of Total	4.52%	6.15%

X

- Definition

Percentage, before allowance for credit loss, of financing receivable to total financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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