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Allowance For Credit Losses (Financing Receivable, Allowance for Credit Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | $ 11,589 | $ 15,966
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | (2,335) |
Allowance for loan loss, Charge-offs | (1,746) | (1,229)
Allowance for loan loss, Recoveries | 818 | 758
Allowance for loan loss, Provision | 7,972 | (849)
Allowance for loan loss, Ending balance | 24,393 | 14,646
Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | 5,760 |
Commercial and industrial |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | 2,059 | 4,060
Allowance for loan loss, Charge-offs | (77) | 0
Allowance for loan loss, Recoveries | 9 | 135
Allowance for loan loss, Provision | 2,149 | (1,225)
Allowance for loan loss, Ending balance | 5,855 | 2,970
Commercial and industrial | Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | 1,715 |
Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | 2,606 | 4,495
Allowance for loan loss, Charge-offs | (383) | (45)
Allowance for loan loss, Recoveries | 203 | 32
Allowance for loan loss, Provision | 3,709 | 158
Allowance for loan loss, Ending balance | 9,389 | 4,640
Commercial real estate | Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | 3,254 |
Residential real estate |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | 3,448 | 4,116
Allowance for loan loss, Charge-offs | (483) | (328)
Allowance for loan loss, Recoveries | 95 | 75
Allowance for loan loss, Provision | 1,759 | (43)
Allowance for loan loss, Ending balance | 6,958 | 3,820
Residential real estate | Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | 2,139 |
Home equity |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | 1,187 | 1,268
Allowance for loan loss, Charge-offs | (45) | (46)
Allowance for loan loss, Recoveries | 47 | 0
Allowance for loan loss, Provision | 111 | 26
Allowance for loan loss, Ending balance | 702 | 1,248
Home equity | Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | (598) |
Consumer |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | 975 | 319
Allowance for loan loss, Charge-offs | (55) | (185)
Allowance for loan loss, Recoveries | 13 | 97
Allowance for loan loss, Provision | 110 | 237
Allowance for loan loss, Ending balance | 233 | 468
Consumer | Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | (810) |
DDA overdrafts |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Allowance for loan loss, Beginning balance | 1,314 | 1,708
Allowance for loan loss, Charge-offs | (703) | (625)
Allowance for loan loss, Recoveries | 451 | 419
Allowance for loan loss, Provision | 134 | (2)
Allowance for loan loss, Ending balance | 1,256 | $ 1,500
DDA overdrafts | Accounting Standards Update 2016-13 |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
New Accounting Pronouncement Or Change In Accounting Principle, Effect Of Adoption, Quantification | $ 60 |

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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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