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Commitments (Tables) | 9 Months Ended
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Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Commitments | The contractual amounts of off-balance-sheet financial instruments are as follows:
(in thousands) | September 30, 2021 |  | December 31, 2020
Commitments to extend credit | $ | 2,422,097 |  |  | $ | 1,946,068 |
Letters of credit | 67,071 |  |  | 50,971 |

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