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Commitments and Contingent Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2021
Commitments And Contingencies Disclosure [Abstract] |
Summary of Contract or Notional Amount of Outstanding Loan and Lease Commitments | The following table summarizes the contract or notional amount of outstanding loan and lease commitments at September 30, 2021 and December 31, 2020:
|  | September 30, 2021 |  |  | December 31, 2020 |
|  | Fixed Rate |  |  | Variable Rate |  |  | Total |  |  | Fixed Rate |  |  | Variable Rate |  |  | Total |
Commitments to extend credit |  | $ | 173,848 |  |  | $ | 1,520,986 |  |  | $ | 1,694,834 |  |  | $ | 106,183 |  |  | $ | 1,261,872 |  |  | $ | 1,368,055 |
Letters of credit |  |  | 653 |  |  |  | 58,479 |  |  |  | 59,132 |  |  |  | 652 |  |  |  | 58,120 |  |  |  | 58,772 |
Total |  | $ | 174,501 |  |  | $ | 1,579,465 |  |  | $ | 1,753,966 |  |  | $ | 106,835 |  |  | $ | 1,319,992 |  |  | $ | 1,426,827 |

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