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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
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-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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Loans and Allowance for Credit Losses - Summary of balances of loans and leases (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Loans and Leases
Loans receivable, Gross	$ 317,652		$ 306,645
Less: allowance for credit losses	(3,576)	$ (3,437)	(3,440)	$ (3,227)	$ (3,273)	$ (3,222)
Loans and leases, net	314,076		303,205
Construction and Land
Loans and Leases
Loans receivable, Gross	44,201		48,372
Farmland
Loans and Leases
Loans receivable, Gross	25,773		17,085
1-4 Residential and multi-family
Loans and Leases
Loans receivable, Gross	153,195		151,326
Commercial Real Estate
Loans and Leases
Loans receivable, Gross	65,433		61,526
Real estate
Loans and Leases
Loans receivable, Gross	288,602		278,309
Real estate \| Construction and Land
Loans and Leases
Loans receivable, Gross	44,201		48,372
Less: allowance for credit losses	(543)	(591)	(591)	(553)	(661)	(632)
Real estate \| Farmland
Loans and Leases
Loans receivable, Gross	25,773		17,085
Less: allowance for credit losses	(255)	(150)	(152)	(77)	(77)	(74)
Real estate \| 1-4 Residential and multi-family
Loans and Leases
Loans receivable, Gross	153,195		151,326
Less: allowance for credit losses	(1,415)	(1,350)	(1,399)	(1,436)	(1,376)	(1,355)
Real estate \| Commercial Real Estate
Loans and Leases
Loans receivable, Gross	65,433		61,526
Less: allowance for credit losses	(770)	(751)	(718)	(638)	(619)	(605)
Agriculture
Loans and Leases
Loans receivable, Gross	35		33
Less: allowance for credit losses	(1)	(1)	(1)	(1)	(1)	(1)
Commercial
Loans and Leases
Loans receivable, Gross	9,833		8,813
Less: allowance for credit losses	(428)	(424)	(407)	(356)	(359)	(375)
Municipalities
Loans and Leases
Loans receivable, Gross	15,163		14,890
Less: allowance for credit losses	(97)	(99)	(102)	(92)	(93)	(83)
Consumer and other
Loans and Leases
Loans receivable, Gross	4,019		4,600
Less: allowance for credit losses	(67)	$ (71)	(70)	$ (74)	$ (87)	$ (97)
Direct financing lease	$ 998		$ 1,219