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Loans Receivable and Allowance for Credit Losses (Allowance for Credit Losses and Recorded Investment in Financing Receivables) (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | $ 19,843,000 | $ 18,968,000
Charge Offs | (416,000) | (494,000)
Recoveries | 92,000 | 171,000
(Release of) Provision for credit losses | 923,000 | (625,000)
Ending balance, | 20,442,000 | 18,020,000
Ending balance individually evaluated for impairment | 655,000 | 69,000
Ending balance collectively evaluated for impairment | 19,787,000 | 17,951,000
Residential Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 1,146,000 | 1,351,000
Recoveries |  | 42,000
(Release of) Provision for credit losses | (131,000) | (196,000)
Ending balance, | 1,015,000 | 1,197,000
Ending balance collectively evaluated for impairment | 1,015,000 | 1,197,000
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 11,406,000 | 11,871,000
Charge Offs | (49,000) |
Recoveries |  | 102,000
(Release of) Provision for credit losses | (772,000) | (2,142,000)
Ending balance, | 10,585,000 | 9,831,000
Ending balance individually evaluated for impairment | 315,000 |
Ending balance collectively evaluated for impairment | 10,270,000 | 9,831,000
Agriculture [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 48,000 | 58,000
(Release of) Provision for credit losses | 33,000 | 26,000
Ending balance, | 81,000 | 84,000
Ending balance collectively evaluated for impairment | 81,000 | 84,000
Construction Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 884,000 | 933,000
(Release of) Provision for credit losses | 101,000 | (102,000)
Ending balance, | 985,000 | 831,000
Ending balance collectively evaluated for impairment | 985,000 | 831,000
Commercial Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 1,732,000 | 1,207,000
Charge Offs |  | (55,000)
Recoveries | 54,000 |
(Release of) Provision for credit losses | 186,000 | 835,000
Ending balance, | 1,972,000 | 1,987,000
Ending balance collectively evaluated for impairment | 1,972,000 | 1,987,000
Other Agricultural [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 162,000 | 94,000
Charge Offs | (38,000) |
(Release of) Provision for credit losses | 45,000 | 74,000
Ending balance, | 169,000 | 168,000
Ending balance individually evaluated for impairment | 11,000 |
Ending balance collectively evaluated for impairment | 158,000 | 168,000
Consumer Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 4,465,000 | 3,454,000
Charge Offs | (329,000) | (439,000)
Recoveries | 38,000 | 27,000
(Release of) Provision for credit losses | 1,461,000 | 880,000
Ending balance, | 5,635,000 | 3,922,000
Ending balance individually evaluated for impairment | 329,000 | 69,000
Ending balance collectively evaluated for impairment | $ 5,306,000 | $ 3,853,000

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + 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 + Details
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- Definition Amount of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479391/326-20-30-2 + Details
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