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Loans and ALLL (Summary of changes in ALLL by segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans and Leases Receivable, Allowance | $ 9,744 | $ 7,939 |
Summary of changes in the ALLL and the recorded investment in loans by segments |  |  |
Allowance for loan losses, Beginning Balance | 7,939 | 8,375 |
Allowance for loan losses, Charge-offs | (381) | (948) |
Allowance for loan losses, Recoveries | 521 | 482 |
Allowance for loan losses, Provision for loan losses | 1,665 | 30 | $ 978
Allowance for loan losses, Ending Balance | 9,744 | 7,939 | 8,375
Commercial [Member] |  |  |
Summary of changes in the ALLL and the recorded investment in loans by segments |  |  |
Allowance for loan losses, Beginning Balance | 1,914 | 2,563 |
Allowance for loan losses, Charge-offs | (7) | (143) |
Allowance for loan losses, Recoveries | 149 | 123 |
Allowance for loan losses, Provision for loan losses | 106 | (629) |
Allowance for loan losses, Ending Balance | 2,162 | 1,914 | 2,563
Agricultural [Member] |  |  |
Summary of changes in the ALLL and the recorded investment in loans by segments |  |  |
Allowance for loan losses, Beginning Balance | 634 | 775 |
Allowance for loan losses, Charge-offs | (24) | (240) |
Allowance for loan losses, Recoveries | 39 | 3 |
Allowance for loan losses, Provision for loan losses | (338) | 96 |
Allowance for loan losses, Ending Balance | 311 | 634 | 775
Residential Real Estate [Member] |  |  |
Summary of changes in the ALLL and the recorded investment in loans by segments |  |  |
Allowance for loan losses, Beginning Balance | 2,047 | 1,992 |
Allowance for loan losses, Charge-offs | (28) | (99) |
Allowance for loan losses, Recoveries | 136 | 189 |
Allowance for loan losses, Provision for loan losses | (792) | (35) |
Allowance for loan losses, Ending Balance | 1,363 | 2,047 | 1,992
Consumer [Member] |  |  |
Summary of changes in the ALLL and the recorded investment in loans by segments |  |  |
Allowance for loan losses, Beginning Balance | 922 | 857 |
Allowance for loan losses, Charge-offs | (322) | (466) |
Allowance for loan losses, Recoveries | 197 | 167 |
Allowance for loan losses, Provision for loan losses | 1 | 364 |
Allowance for loan losses, Ending Balance | 798 | 922 | 857
Unallocated [Member] |  |  |
Summary of changes in the ALLL and the recorded investment in loans by segments |  |  |
Allowance for loan losses, Beginning Balance | 2,422 | 2,188 |
Allowance for loan losses, Charge-offs | 0 | 0 |
Allowance for loan losses, Recoveries | 0 | 0 |
Allowance for loan losses, Provision for loan losses | 2,688 | 234 |
Allowance for loan losses, Ending Balance | $ 5,110 | $ 2,422 | $ 2,188

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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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