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Loans, Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | $ 3,575 | $ 3,129
Provision charged to expenses | 15 | 90
Losses charged off | (354) | (118)
Recoveries | 92 | 49
Balance, end of period | 3,328 | 3,150
Commercial and Industrial [Member] |  |
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | 350 | 244
Provision charged to expenses | (2) | 0
Losses charged off | 0 | 0
Recoveries | 5 | 3
Balance, end of period | 353 | 247
Commercial Secured By Real Estate [Member] |  |
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | 2,179 | 1,908
Provision charged to expenses | 90 | (35)
Losses charged off | (262) | (23)
Recoveries | 0 | 18
Balance, end of period | 2,007 | 1,868
Residential Real Estate [Member] |  |
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | 885 | 854
Provision charged to expenses | (107) | 66
Losses charged off | (17) | (28)
Recoveries | 48 | 4
Balance, end of period | 809 | 896
Consumer [Member] |  |
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | 96 | 54
Provision charged to expenses | 23 | 61
Losses charged off | (45) | (44)
Recoveries | 17 | 10
Balance, end of period | 91 | 81
Agricultural [Member] |  |
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | 60 | 66
Provision charged to expenses | 6 | (10)
Losses charged off | 0 | 0
Recoveries | 0 | 0
Balance, end of period | 66 | 56
Other [Member] |  |
Allowance for loan losses [Roll Forward] |  |
Balance, beginning of period | 5 | 3
Provision charged to expenses | 5 | 8
Losses charged off | (30) | (23)
Recoveries | 22 | 14
Balance, end of period | $ 2 | $ 2

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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