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Loans, Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | $ 35,096 |  |
Provision charged to expense | [1] | 16,047 | $ 4,819 | $ 6,167
Losses charged off |  | (10,453) |  |
Recoveries |  | 4,292 |  |
Ending balance |  | 48,022 | 35,096 |
Commercial [Member] | Hotel/Motel [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 3,371 |  |
Provision charged to expense |  | 2,858 |  |
Losses charged off |  | (43) |  |
Recoveries |  | 0 |  |
Ending balance |  | 6,356 | 3,371 |
Commercial [Member] | Commercial Real Estate Residential [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 3,439 |  |
Provision charged to expense |  | 1,772 |  |
Losses charged off |  | (182) |  |
Recoveries |  | 156 |  |
Ending balance |  | 4,464 | 3,439 |
Commercial [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 8,515 |  |
Provision charged to expense |  | 3,303 |  |
Losses charged off |  | (941) |  |
Recoveries |  | 90 |  |
Ending balance |  | 11,086 | 8,515 |
Commercial [Member] | Dealer Floorplans [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 802 |  |
Provision charged to expense |  | (214) |  |
Losses charged off |  | (26) |  |
Recoveries |  | 0 |  |
Ending balance |  | 1,382 | 802 |
Commercial [Member] | Commercial Other [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 5,556 |  |
Provision charged to expense |  | 2,040 |  |
Losses charged off |  | (3,339) |  |
Recoveries |  | 423 |  |
Ending balance |  | 4,289 | 5,556 |
Residential [Member] | Real Estate Mortgage [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 4,604 |  |
Provision charged to expense |  | 1,584 |  |
Losses charged off |  | (321) |  |
Recoveries |  | 72 |  |
Ending balance |  | 7,832 | 4,604 |
Residential [Member] | Home Equity Lines [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 897 |  |
Provision charged to expense |  | 16 |  |
Losses charged off |  | (4) |  |
Recoveries |  | 10 |  |
Ending balance |  | 844 | 897 |
Consumer [Member] | Consumer Direct [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 1,711 |  |
Provision charged to expense |  | 609 |  |
Losses charged off |  | (927) |  |
Recoveries |  | 510 |  |
Ending balance |  | 1,863 | 1,711 |
Consumer [Member] | Consumer Indirect [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 6,201 |  |
Provision charged to expense |  | 4,079 |  |
Losses charged off |  | (4,670) |  |
Recoveries |  | 3,031 |  |
Ending balance |  | 9,906 | 6,201 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 3,040 |  |
Ending balance |  |  | 3,040 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Commercial [Member] | Hotel/Motel [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 170 |  |
Ending balance |  |  | 170 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Commercial [Member] | Commercial Real Estate Residential [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | (721) |  |
Ending balance |  |  | (721) |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Commercial [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 119 |  |
Ending balance |  |  | 119 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Commercial [Member] | Dealer Floorplans [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 820 |  |
Ending balance |  |  | 820 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Commercial [Member] | Commercial Other [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | (391) |  |
Ending balance |  |  | (391) |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Residential [Member] | Real Estate Mortgage [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | 1,893 |  |
Ending balance |  |  | 1,893 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Residential [Member] | Home Equity Lines [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | (75) |  |
Ending balance |  |  | (75) |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Consumer [Member] | Consumer Direct [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | (40) |  |
Ending balance |  |  | (40) |
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] | Consumer [Member] | Consumer Indirect [Member] |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  | $ 1,265 |  |
Ending balance |  |  | $ 1,265 |
[1] | Effective January 1, 2020, the provision for loan losses became the provision for credit losses with the implementation of ASU 2016-13, commonly referred to as CECL.

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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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