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Loans Receivable and Allowance for Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	$ 530,781	$ 440,906
Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	650	524
Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	942,993	914,610
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	934,256	900,036
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	2,187	5,555
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	6,550	8,747
Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		272
Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	531,431	441,430
Commercial Real Estate Loans [Member] | Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	651,544	628,724
Commercial Real Estate Loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	646,775	618,541
Commercial Real Estate Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	1,079	5,146
Commercial Real Estate Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	3,690	4,765
Commercial Real Estate Loans [Member] | Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Commercial Real Estate Loans [Member] | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		272
Agricultural Real Estate Loans [Member] | Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	68,915	61,925
Agricultural Real Estate Loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	66,444	60,193
Agricultural Real Estate Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	368
Agricultural Real Estate Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	2,103	1,732
Commercial [Member] | Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	187,257	186,031
Commercial [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	186,966	185,729
Commercial [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	184	199
Commercial [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	107	103
Commercial [Member] | Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Commercial [Member] | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Other Agricultural Loans [Member] | Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	35,277	37,930
Other Agricultural Loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	34,071	35,573
Other Agricultural Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	556	210
Other Agricultural Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	650	2,147
Other Agricultural Loans [Member] | Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount
Other Agricultural Loans [Member] | Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount
Residential Real Estate Loans [Member] | Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	298,327	272,571
Residential Real Estate Loans [Member] | Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	486	469
Residential Real Estate Loans [Member] | Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	298,813	273,040
Construction Real Estate Loans [Member] | Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	32,469	21,990
Construction Real Estate Loans [Member] | Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount
Construction Real Estate Loans [Member] | Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	32,469	21,990
Consumer Loans To Individuals [Member] | Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	199,985	146,345
Consumer Loans To Individuals [Member] | Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	164	55
Consumer Loans To Individuals [Member] | Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	$ 200,149	$ 146,400

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+ References

No definition available.

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- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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