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Modification which Occurred During the Period & Change in Recorded Investment (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) contract | Dec. 31, 2018 USD ($) contract | Dec. 31, 2017 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | contract | 13 | 29 | 54
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 2,189 | $ 38,898 | $ 8,130
TROUBLED DEBT RESTRUCTURINGS: |  |  |
Post-Modification Outstanding Recorded Investment | $ 2,231 | $ 42,457 | $ 8,175
Commercial And Industrial [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | contract | 3 | 12 | 12
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 268 | $ 35,688 | $ 1,787
TROUBLED DEBT RESTRUCTURINGS: |  |  |
Post-Modification Outstanding Recorded Investment | $ 268 | $ 39,224 | $ 1,787
Commercial Real Estate [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | contract | 4 | 3 | 6
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 819 | $ 1,600 | $ 2,705
TROUBLED DEBT RESTRUCTURINGS: |  |  |
Post-Modification Outstanding Recorded Investment | $ 819 | $ 1,600 | $ 2,705
Small Business [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | contract | 1 |  | 9
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 14 |  | $ 369
TROUBLED DEBT RESTRUCTURINGS: |  |  |
Post-Modification Outstanding Recorded Investment | $ 14 |  | $ 369
Residential Real Estate [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | contract | 3 | 5 | 10
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 967 | $ 1,048 | $ 1,284
TROUBLED DEBT RESTRUCTURINGS: |  |  |
Post-Modification Outstanding Recorded Investment | $ 1,009 | $ 1,071 | $ 1,326
Home Equity Line of Credit [Member] |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | contract | 2 | 9 | 17
Financing Receivable, Troubled Debt Restructuring, Premodification | $ 121 | $ 562 | $ 1,985
TROUBLED DEBT RESTRUCTURINGS: |  |  |
Post-Modification Outstanding Recorded Investment | $ 121 | $ 562 | $ 1,988

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