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Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |
Loan Commitments and Letters of Credit |
(in thousands) | September 30, 2021 |  | December 31, 2020
Letters of credit(1) | $ | 184,317 |  |  | $ | 190,562 |
Commitments to fund commercial and industrial loans | 8,893,056 |  |  | 8,200,608 |
Commitments to fund commercial real estate, construction, and land development loans | 3,490,875 |  |  | 3,290,041 |
Commitments under home equity lines of credit | 1,738,063 |  |  | 1,602,831 |
Unused credit card lines | 1,008,471 |  |  | 1,012,313 |
Other loan commitments | 580,936 |  |  | 472,233 |
Total letters of credit and unfunded lending commitments | $ | 15,895,718 |  |  | $ | 14,768,588 |
LIHTC, solar energy tax credit, new market tax credit, and other CRA partnerships: |  |  |
Carrying amount included in other assets | $ | 380,624 |  |  | $ | 262,855 |
Amount of future funding commitments included in carrying amount | 213,791 |  |  | 133,946 |
Permanent and short-term construction loans and letter of credit commitments(2) | 172,285 |  |  | 82,786 |
Funded portion of permanent and short-term loans and letters of credit(3) | 69,823 |  |  | 9,528 |
(1) Represent the contractual amount net of risk participations purchased of $26.4 million and $30.2 million at September 30, 2021 and December 31, 2020, respectively. (2) Represent the contractual amount net of risk participations of $3.6 million and $1.8 million at September 30, 2021 and December 31, 2020. (3) Represent the contractual amount net of risk participations of $2.4 million and $234 thousand at September 30, 2021 December 31, 2020.

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