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Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at Beginning of Period | $ 10,391 | $ 9,746 | $ 9,932 | $ 9,921
Charge-Offs | (379) | (469) | (643) | (4,113)
Recoveries | 134 | 149 | 307 | 268
Provision (Credit) | 200 | 300 | 750 | 3,650
Balance at End of Period | 10,346 | 9,726 | 10,346 | 9,726
Commercial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at Beginning of Period | 3,825 | 4,322 | 4,041 | 4,244
Charge-Offs | (228) | (295) | (228) | (3,648)
Recoveries | 9 | 115 | 22 | 126
Provision (Credit) | 561 | 92 | 332 | 3,512
Balance at End of Period | 4,167 | 4,234 | 4,167 | 4,234
Commercial loans secured by real estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at Beginning of Period | 4,487 | 3,274 | 3,584 | 3,449
Charge-Offs | 0 | (13) | (14) | (13)
Recoveries | 3 | 2 | 8 | 38
Provision (Credit) | (644) | 85 | 268 | (126)
Balance at End of Period | 3,846 | 3,348 | 3,846 | 3,348
Real estate-mortgage [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at Beginning of Period | 1,151 | 1,075 | 1,169 | 1,173
Charge-Offs | (109) | (104) | (263) | (150)
Recoveries | 72 | 24 | 165 | 86
Provision (Credit) | 50 | 77 | 93 | (37)
Balance at End of Period | 1,164 | 1,072 | 1,164 | 1,072
Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at Beginning of Period | 138 | 135 | 151 | 151
Charge-Offs | (42) | (57) | (138) | (302)
Recoveries | 50 | 8 | 112 | 18
Provision (Credit) | (7) | 53 | 14 | 272
Balance at End of Period | 139 | 139 | 139 | 139
Allocation for general risk [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at Beginning of Period | 790 | 940 | 987 | 904
Charge-Offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision (Credit) | 240 | (7) | 43 | 29
Balance at End of Period | $ 1,030 | $ 933 | $ 1,030 | $ 933

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- Definition Amount of other addition (reduction) in allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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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=84173941&loc=SL6953423-111524 + Details
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