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Loans Receivable and Allowance for Credit Losses (Summary of Amount of Loans in Each Category that were Individually and Collectively Evaluated for Impairment) (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Individually evaluated for impairment | $ 7,622,000 | $ 463,000
Loans acquired with deteriorated credit quality |  | 6,290,000
Collectively evaluated for impairment | 1,596,255,000 | 1,467,671,000
Total | 1,603,877,000 | 1,474,424,000
Residential Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Individually evaluated for impairment | 432,000 |
Loans acquired with deteriorated credit quality |  | 567,000
Collectively evaluated for impairment | 316,114,000 | 298,246,000
Total | 316,546,000 | 298,813,000
Commercial Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Individually evaluated for impairment | 2,211,000 | 402,000
Loans acquired with deteriorated credit quality |  | 2,049,000
Collectively evaluated for impairment | 672,945,000 | 649,093,000
Total | 675,156,000 | 651,544,000
Agricultural Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans acquired with deteriorated credit quality |  | 2,034,000
Collectively evaluated for impairment | 63,859,000 | 66,881,000
Total | 63,859,000 | 68,915,000
Construction Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collectively evaluated for impairment | 51,453,000 | 32,469,000
Total | 51,453,000 | 32,469,000
Commercial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Individually evaluated for impairment | 4,264,000 | 61,000
Loans acquired with deteriorated credit quality |  | 1,640,000
Collectively evaluated for impairment | 196,312,000 | 185,556,000
Total | 200,576,000 | 187,257,000
Other Agricultural Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collectively evaluated for impairment | 31,966,000 | 35,277,000
Total | 31,966,000 | 35,277,000
Consumer Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Individually evaluated for impairment | 715,000 |
Collectively evaluated for impairment | 263,606,000 | 200,149,000
Total | $ 264,321,000 | $ 200,149,000

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- Definition The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and other-than-temporary impairments), for loans accounted for as debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481906/310-30-15-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481696/310-30-50-2 + Details
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