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Fair Value (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Loans Held-for-Sale | $ 27,993 | $ 17,713
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 1,036,910 | 854,825
Loans Held-for-Sale | 27,993 | 17,713
Derivative Assets | 9,636 | 2,607
Derivative Liabilities | 10,293 | 2,829
Fair Value, Measurements, Recurring | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 514,012 | 324,300
Fair Value, Measurements, Recurring | MBS/CMO |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 522,898 | 530,525
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 | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 1,036,413 | 850,804
Loans Held-for-Sale | 27,993 | 17,713
Derivative Assets | 9,636 | 2,607
Derivative Liabilities | 10,293 | 2,829
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 | 513,515 | 320,279
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | MBS/CMO |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 522,898 | 530,525
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 497 | 4,021
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 | 497 | 4,021
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

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