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Fair Value Measurements - Schedule of Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | $ 215,369 |  | $ 276,138 |  |  |
Total marketable equity securities | 8,534 |  | 7,945 |  |  |
Servicing rights | 10,589 |  | 11,920 |  |  |
Total other assets | 27,240 |  | 16,894 |  |  |
Total other liabilities | 11,468 |  | 3,555 |  |  |
Interest rate swaps |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 8,846 |  | 2,950 |  |  |
Derivative liabilities | 11,002 |  | 3,484 |  |  |
Interest rate lock commitments |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 6,519 |  | 810 |  |  |
U.S. Treasury and government sponsored entities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 157,552 |  | 211,852 |  |  |
Municipal securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 2,336 |  | 3,297 |  |  |
Corporate bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 27,215 |  | 35,066 |  |  |
Collateralized loan obligations |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 28,266 |  | 25,923 |  |  |
Marketable equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total marketable equity securities | 8,534 |  | 7,945 |  |  |
Mortgage servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 10,589 | $ 10,721 | 11,920 | $ 11,206 | $ 10,836 | $ 10,821
Commercial servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 1,286 |  | 1,214 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 59,865 |  | 75,456 |  |  |
Total marketable equity securities | 8,534 |  | 7,945 |  |  |
Total other assets | 0 |  | 0 |  |  |
Total other liabilities | 0 |  | 0 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate swaps |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 0 |  | 0 |  |  |
Derivative liabilities | 0 |  | 0 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate lock commitments |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 0 |  | 0 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury and government sponsored entities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 37,691 |  | 57,480 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 22,174 |  | 17,976 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized loan obligations |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total marketable equity securities | 8,534 |  | 7,945 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 0 |  | 0 |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 0 |  | 0 |  |  |
Significant Other Observable Inputs (Level 2) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 155,504 |  | 200,682 |  |  |
Total marketable equity securities | 0 |  | 0 |  |  |
Total other assets | 8,846 |  | 2,950 |  |  |
Total other liabilities | 11,468 |  | 3,555 |  |  |
Significant Other Observable Inputs (Level 2) | Interest rate swaps |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 8,846 |  | 2,950 |  |  |
Derivative liabilities | 11,002 |  | 3,484 |  |  |
Significant Other Observable Inputs (Level 2) | Interest rate lock commitments |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 0 |  | 0 |  |  |
Significant Other Observable Inputs (Level 2) | U.S. Treasury and government sponsored entities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 119,861 |  | 154,372 |  |  |
Significant Other Observable Inputs (Level 2) | Municipal securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 2,336 |  | 3,297 |  |  |
Significant Other Observable Inputs (Level 2) | Corporate bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 5,041 |  | 17,090 |  |  |
Significant Other Observable Inputs (Level 2) | Collateralized loan obligations |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 28,266 |  | 25,923 |  |  |
Significant Other Observable Inputs (Level 2) | Marketable equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total marketable equity securities | 0 |  | 0 |  |  |
Significant Other Observable Inputs (Level 2) | Mortgage servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 0 |  | 0 |  |  |
Significant Other Observable Inputs (Level 2) | Commercial servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Total marketable equity securities | 0 |  | 0 |  |  |
Total other assets | 18,394 |  | 13,944 |  |  |
Total other liabilities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Interest rate swaps |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 0 |  | 0 |  |  |
Derivative liabilities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Interest rate lock commitments |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative assets | 6,519 |  | 810 |  |  |
Significant Unobservable Inputs (Level 3) | U.S. Treasury and government sponsored entities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Municipal securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Corporate bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Collateralized loan obligations |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total available for sale securities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Marketable equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Total marketable equity securities | 0 |  | 0 |  |  |
Significant Unobservable Inputs (Level 3) | Mortgage servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | 10,589 |  | 11,920 |  |  |
Significant Unobservable Inputs (Level 3) | Commercial servicing rights |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Servicing rights | $ 1,286 |  | $ 1,214 |  |  |

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