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Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | $ 21,915 | $ 20,346 | $ 19,473 | $ 19,704
Charge-offs | (3,191) | (773) | (4,101) | (1,576)
Recoveries | 125 | 76 | 398 | 215
Provision (benefit) for loan losses | 5,680 | 1,788 | 8,759 | 3,094
Allowance for loan losses, Ending Balance | 24,529 | 21,437 | 24,529 | 21,437
Commercial, industrial and agricultural |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 10,532 | 7,787 | 8,287 | 7,341
Charge-offs | (2,623) | 0 | (2,648) | 0
Recoveries | 7 | 4 | 25 | 8
Provision (benefit) for loan losses | 1,886 | 317 | 4,138 | 759
Allowance for loan losses, Ending Balance | 9,802 | 8,108 | 9,802 | 8,108
Commercial Mortgages |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 7,492 | 8,846 | 6,952 | 7,490
Charge-offs | 0 | 0 | 0 | (2)
Recoveries | 2 | 16 | 174 | 1
Provision (benefit) for loan losses | 2,134 | 676 | 2,502 | 2,049
Allowance for loan losses, Ending Balance | 9,628 | 9,538 | 9,628 | 9,538
Residential real estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 1,458 | 1,383 | 1,499 | 2,156
Charge-offs | (19) | (146) | (162) | (244)
Recoveries | 0 | 2 | 3 | 67
Provision (benefit) for loan losses | 1,237 | 164 | 1,336 | (576)
Allowance for loan losses, Ending Balance | 2,676 | 1,403 | 2,676 | 1,403
Consumer |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 2,138 | 2,040 | 2,411 | 2,377
Charge-offs | (413) | (513) | (1,005) | (1,062)
Recoveries | 38 | 28 | 81 | 74
Provision (benefit) for loan losses | 377 | 586 | 653 | 752
Allowance for loan losses, Ending Balance | 2,140 | 2,141 | 2,140 | 2,141
Credit cards |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 112 | 105 | 84 | 103
Charge-offs | (41) | (26) | (72) | (52)
Recoveries | 10 | 1 | 11 | 6
Provision (benefit) for loan losses | 33 | 7 | 91 | 30
Allowance for loan losses, Ending Balance | 114 | 87 | 114 | 87
Overdrafts |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan losses, Beginning Balance | 183 | 185 | 240 | 237
Charge-offs | (95) | (88) | (214) | (216)
Recoveries | 68 | 25 | 104 | 59
Provision (benefit) for loan losses | 13 | 38 | 39 | 80
Allowance for loan losses, Ending Balance | $ 169 | $ 160 | $ 169 | $ 160

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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=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: 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=121599878&loc=SL82895884-210446 Reference 4: 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=121599337&loc=SL82919249-210447 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=121599337&loc=SL82919249-210447 + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + 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=121647567&loc=SL82922352-210448 Reference 2: 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=121599337&loc=SL82919249-210447 Reference 3: 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=121611835&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=121599337&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=121611835&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=121647567&loc=SL82922352-210448 + Details
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