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Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | $ 20,346 | $ 20,756 | $ 19,704 | $ 19,693
Charge-offs | (773) | (710) | (1,576) | (1,436)
Recoveries | 76 | 171 | 215 | 329
Provision (benefit) for loan losses | 1,788 | 1,905 | 3,094 | 3,536
Allowance for loan losses, Ending Balance | 21,437 | 22,122 | 21,437 | 22,122
Commercial, industrial, and agricultural |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 7,787 | 6,282 | 7,341 | 6,160
Charge-offs | 0 | 0 | 0 | (31)
Recoveries | 4 | 94 | 8 | 162
Provision (benefit) for loan losses | 317 | 767 | 759 | 852
Allowance for loan losses, Ending Balance | 8,108 | 7,143 | 8,108 | 7,143
Commercial Mortgages |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 8,846 | 10,020 | 7,490 | 9,007
Charge-offs | 0 | 0 | (2) | 0
Recoveries | 16 | 0 | 1 | 0
Provision (benefit) for loan losses | 676 | 595 | 2,049 | 1,608
Allowance for loan losses, Ending Balance | 9,538 | 10,615 | 9,538 | 10,615
Residential real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 1,383 | 2,052 | 2,156 | 2,033
Charge-offs | (146) | (77) | (244) | (77)
Recoveries | 2 | 9 | 67 | 12
Provision (benefit) for loan losses | 164 | (84) | (576) | (68)
Allowance for loan losses, Ending Balance | 1,403 | 1,900 | 1,403 | 1,900
Consumer |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 2,040 | 2,065 | 2,377 | 2,179
Charge-offs | (513) | (551) | (1,062) | (1,141)
Recoveries | 28 | 35 | 74 | 84
Provision (benefit) for loan losses | 586 | 607 | 752 | 1,034
Allowance for loan losses, Ending Balance | 2,141 | 2,156 | 2,141 | 2,156
Credit cards |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 105 | 123 | 103 | 120
Charge-offs | (26) | (26) | (52) | (45)
Recoveries | 1 | 17 | 6 | 24
Provision (benefit) for loan losses | 7 | (13) | 30 | 2
Allowance for loan losses, Ending Balance | 87 | 101 | 87 | 101
Overdrafts |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 185 | 214 | 237 | 194
Charge-offs | (88) | (56) | (216) | (142)
Recoveries | 25 | 16 | 59 | 47
Provision (benefit) for loan losses | 38 | 33 | 80 | 108
Allowance for loan losses, Ending Balance | $ 160 | $ 207 | $ 160 | $ 207

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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/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448 Reference 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448 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 + Details
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