v3.21.1

Fair Value of Financial Instruments and Fair Value Measurements - Measured on a Recurring Basis (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | $ 1,896,894 | $ 1,657,381
Derivative assets | 6,894 | 10,796
Mortgage servicing rights | 5,928 | 5,137
U.S. Government agencies and corporations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 340 | 361
State and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 673,923 | 628,346
Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 79,005 | 94,018
Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 427,645 | 368,820
Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Derivative assets | 6,894 | 10,796
Mortgage servicing rights | 5,928 | 5,137
Derivative liabilities | 7,694 | 13,267
Recurring | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Derivative assets | 0 | 0
Mortgage servicing rights | 0 | 0
Derivative liabilities | 0 | 0
Recurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Derivative assets | 6,894 | 10,796
Mortgage servicing rights | 5,928 | 5,137
Derivative liabilities | 7,694 | 13,267
Recurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Derivative assets | 0 | 0
Mortgage servicing rights | 0 | 0
Derivative liabilities | 0 | 0
Recurring | U.S. Government agencies and corporations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 340 | 361
Recurring | U.S. Government agencies and corporations | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | U.S. Government agencies and corporations | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 340 | 361
Recurring | U.S. Government agencies and corporations | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | State and political subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 673,923 | 628,346
Recurring | State and political subdivisions | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | State and political subdivisions | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 673,923 | 628,346
Recurring | State and political subdivisions | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | Mortgage-backed securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 79,005 | 94,018
Recurring | Mortgage-backed securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | Mortgage-backed securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 79,005 | 94,018
Recurring | Mortgage-backed securities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | Collateralized mortgage obligations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 715,981 | 565,836
Recurring | Collateralized mortgage obligations | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | Collateralized mortgage obligations | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 715,981 | 565,836
Recurring | Collateralized mortgage obligations | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | Corporate debt securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 427,645 | 368,820
Recurring | Corporate debt securities | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 0 | 0
Recurring | Corporate debt securities | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | 427,645 | 368,820
Recurring | Corporate debt securities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Debt securities available for sale | $ 0 | $ 0

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