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v3.20.1

Allowance for Credit Losses and Credit Quality of Loans, Troubled Debt Restructuring (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 USD ($) Contract | Mar. 31, 2019 USD ($) Contract
Troubled Debt Restructuring [Abstract] |  |
Number of contracts | Contract | 8 | 20
Pre-modification outstanding recorded investment | $ 735 | $ 1,235
Post-modification outstanding recorded investment | $ 779 | $ 1,252
Number of contracts | Contract | 17 | 20
Recorded Investment | $ 1,190 | $ 1,015
Commercial Loans [Member] |  |
Troubled Debt Restructuring [Abstract] |  |
Number of contracts | Contract | 1 |
Recorded Investment | $ 387 |
Commercial Loans [Member] | Commercial & Industrial [Member] |  |
Troubled Debt Restructuring [Abstract] |  |
Number of contracts | Contract | 1 |
Recorded Investment | $ 387 |
Consumer Loans [Member] |  |
Troubled Debt Restructuring [Abstract] |  |
Number of contracts | Contract | 1 |
Pre-modification outstanding recorded investment | $ 44 |
Post-modification outstanding recorded investment | $ 44 |
Consumer Loans [Member] | Auto [Member] |  |
Troubled Debt Restructuring [Abstract] |  |
Number of contracts | Contract | 1 |
Pre-modification outstanding recorded investment | $ 44 |
Post-modification outstanding recorded investment | $ 44 |
Residential [Member] |  |
Troubled Debt Restructuring [Abstract] |  |
Number of contracts | Contract | 7 |
Pre-modification outstanding recorded investment | $ 691 |
Post-modification outstanding recorded investment | $ 735 |
Number of contracts | Contract | 16 |
Recorded Investment | $ 803 |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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