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Commitments (Tables) | 6 Months Ended
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Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Commitments | The contractual amounts of off-balance-sheet financial instruments as of June 30, 2020, and December 31, 2019, are as follows:
(in thousands) | June 30, 2020 |  | December 31, 2019
Commitments to extend credit | $ | 1,659,225 |  |  | $ | 1,469,413 |
Letters of credit | 51,798 |  |  | 47,969 |

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