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Commitments and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Letters of Credit | The following table sets forth our commitments and letters of credit as of the dates presented:
(dollars in thousands) | March 31, 2018 |  |  | December 31, 2017 |
Commitments to extend credit | $ | 1,454,312 |  |  | $ | 1,420,428 |
Standby letters of credit | 78,985 |  |  | 80,918 |
Total | $ | 1,533,297 |  |  | $ | 1,501,346 |

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