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Fair Value (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Loans Held-for-Sale | $ 18,493 | $ 16,904
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 1,385,873 | 1,217,852
Loans Held-for-Sale | 18,493 | 16,904
Derivative Assets | 5,772 | 8,806
Derivative Liabilities | 5,970 | 9,353
Fair Value, Measurements, Recurring | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 623,848 | 581,247
Fair Value, Measurements, Recurring | MBS/CMO |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 653,449 | 548,307
Fair Value, Measurements, Recurring | US Gov't Sponsored Entities & Agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 108,576 | 88,298
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Loans Held-for-Sale | 0 | 0
Derivative Assets | 0 | 0
Derivative Liabilities | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | MBS/CMO |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | US Gov't Sponsored Entities & Agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 1,385,873 | 1,217,355
Loans Held-for-Sale | 18,493 | 16,904
Derivative Assets | 5,772 | 8,806
Derivative Liabilities | 5,970 | 9,353
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 623,848 | 580,750
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | MBS/CMO |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 653,449 | 548,307
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | US Gov't Sponsored Entities & Agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 108,576 | 88,298
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 497
Loans Held-for-Sale | 0 | 0
Derivative Assets | 0 | 0
Derivative Liabilities | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 497
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | MBS/CMO |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | US Gov't Sponsored Entities & Agencies |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | $ 0 | $ 0

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