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Loans and ACL - Summary of Loan Composition (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,431,905	$ 1,423,571
Percent of Total	100.00%	100.00%
Secured
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 186,306	$ 177,239
Percent of Total	13.01%	12.45%
Unsecured
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 31,826	$ 23,384
Percent of Total	2.22%	1.64%
Total commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 218,132	$ 200,623
Percent of Total	15.23%	14.09%
Commercial mortgage owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 220,233	$ 213,086
Percent of Total	15.38%	14.97%
Commercial mortgage non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 224,653	$ 217,679
Percent of Total	15.70%	15.29%
Commercial mortgage 1-4 family investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 97,971	$ 92,497
Percent of Total	6.84%	6.50%
Commercial mortgage multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 83,785	$ 68,456
Percent of Total	5.85%	4.81%
Total commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 626,642	$ 591,718
Percent of Total	43.77%	41.57%
Advances to mortgage brokers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 5,056	$ 63,080
Percent of Total	0.35%	4.43%
Agricultural mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 67,726	$ 67,550
Percent of Total	4.73%	4.75%
Agricultural other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 30,068	$ 32,144
Percent of Total	2.10%	2.26%
Total agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 97,794	$ 99,694
Percent of Total	6.83%	7.01%
Senior lien
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 358,755	$ 332,743
Percent of Total	25.05%	23.37%
Junior lien
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 10,674	$ 8,655
Percent of Total	0.75%	0.61%
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 42,627	$ 39,474
Percent of Total	2.98%	2.77%
Total residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 412,056	$ 380,872
Percent of Total	28.78%	26.75%
Secured - direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 29,952	$ 35,050
Percent of Total	2.09%	2.46%
Secured - indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 38,922	$ 49,136
Percent of Total	2.72%	3.45%
Unsecured
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 3,351	$ 3,398
Percent of Total	0.23%	0.24%
Total consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 72,225	$ 87,584
Percent of Total	5.04%	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
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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