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Commitments, Contingencies and Guarantees (Tables) | 9 Months Ended
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Sep. 30, 2022
Commitments And Contingencies Disclosure [Abstract] |
Notional Amount of Off-Balance Sheet Financial Instruments | The following table summarizes the Company’s off-balance sheet financial instruments (in thousands):
|  | Contract or Notional Amount |
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Commitments to extend credit for loans (excluding credit card loans) |  | $ | 12,230,805 |  |  | $ | 10,122,617 |
Commitments to extend credit under credit card loans |  |  | 3,898,171 |  |  |  | 3,743,165 |
Commercial letters of credit |  |  | 2,253 |  |  |  | 2,754 |
Standby letters of credit |  |  | 442,225 |  |  |  | 365,030 |
Forward contracts |  |  | 29,158 |  |  |  | 9,729 |
Spot foreign exchange contracts |  |  | 6,863 |  |  |  | 2,946 |

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