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Allowance for Credit Losses - Changes in the Allowance for Credit Loss (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Allowance for credit losses on loans: |  |  |
Beginning balance | $ 192,090 | $ 164,171 |
Charge-offs | (19,040) | (14,185) |
Recoveries | 6,710 | 6,856 |
Net charge-offs | (12,330) | (7,329) |
Provision (recoveries) of credit losses on loans | 18,793 | 23,788 | $ (1,700)
Ending balance | 198,578 | 192,090 | 164,171
Individually evaluated | 10,578 | 6,442 |
Collectively evaluated | 188,000 | 185,648 |
Loans: |  |  |
Individually evaluated | 45,601 | 29,450 |
Collectively evaluated | 12,305,629 | 11,548,854 |
Loans, net of unearned income | 12,351,230 | 11,578,304 |
Nonaccruing loans with no allowance for credit losses | $ 23,592 | 10,899 |
Supportable period | 2 years |  |
Commercial |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | $ 44,255 | 33,922 |
Charge-offs | (8,838) | (5,120) |
Recoveries | 3,090 | 2,471 |
Net charge-offs | (5,748) | (2,649) |
Provision (recoveries) of credit losses on loans | 5,448 | 1,522 |
Ending balance | 43,980 | 44,255 | 33,922
Individually evaluated | 9,093 | 4,397 |
Collectively evaluated | 34,887 | 39,858 |
Loans: |  |  |
Individually evaluated | 18,026 | 8,536 |
Collectively evaluated | 1,853,795 | 1,665,347 |
Loans, net of unearned income | 1,871,821 | 1,673,883 |
Nonaccruing loans with no allowance for credit losses | 1,689 | 464 |
Real Estate - Construction |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 19,114 | 16,419 |
Charge-offs | (57) | 0 |
Recoveries | 48 | 0 |
Net charge-offs | (9) | 0 |
Provision (recoveries) of credit losses on loans | (493) | 2,695 |
Ending balance | 18,612 | 19,114 | 16,419
Individually evaluated | 0 | 0 |
Collectively evaluated | 18,612 | 19,114 |
Loans: |  |  |
Individually evaluated | 0 | 489 |
Collectively evaluated | 1,333,397 | 1,329,848 |
Loans, net of unearned income | 1,333,397 | 1,330,337 |
Nonaccruing loans with no allowance for credit losses | 0 | 0 |
Real Estate - 1-4 Family Mortgage |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 44,727 | 32,356 |
Charge-offs | (417) | (757) |
Recoveries | 389 | 821 |
Net charge-offs | (28) | 64 |
Provision (recoveries) of credit losses on loans | 2,584 | 12,307 |
Ending balance | 47,283 | 44,727 | 32,356
Individually evaluated | 83 | 46 |
Collectively evaluated | 47,200 | 44,681 |
Loans: |  |  |
Individually evaluated | 11,600 | 9,202 |
Collectively evaluated | 3,428,319 | 3,207,061 |
Loans, net of unearned income | 3,439,919 | 3,216,263 |
Nonaccruing loans with no allowance for credit losses | 10,876 | 7,278 |
Real Estate - Commercial Mortgage |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 71,798 | 68,940 |
Charge-offs | (5,568) | (5,134) |
Recoveries | 712 | 418 |
Net charge-offs | (4,856) | (4,716) |
Provision (recoveries) of credit losses on loans | 10,078 | 7,574 |
Ending balance | 77,020 | 71,798 | 68,940
Individually evaluated | 1,132 | 1,729 |
Collectively evaluated | 75,888 | 70,069 |
Loans: |  |  |
Individually evaluated | 15,705 | 10,953 |
Collectively evaluated | 5,470,845 | 5,107,110 |
Loans, net of unearned income | 5,486,550 | 5,118,063 |
Nonaccruing loans with no allowance for credit losses | 11,027 | 3,157 |
Lease Financing Receivables |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 2,463 | 1,486 |
Charge-offs | (1,524) | (7) |
Recoveries | 18 | 146 |
Net charge-offs | (1,506) | 139 |
Provision (recoveries) of credit losses on loans | 1,558 | 838 |
Ending balance | 2,515 | 2,463 | 1,486
Individually evaluated | 0 | 0 |
Collectively evaluated | 2,515 | 2,463 |
Loans: |  |  |
Individually evaluated | 0 | 0 |
Collectively evaluated | 116,020 | 115,013 |
Loans, net of unearned income | 116,020 | 115,013 |
Nonaccruing loans with no allowance for credit losses | 0 | 0 |
Installment loans to individuals |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 9,733 | 11,048 |
Charge-offs | (2,636) | (3,167) |
Recoveries | 2,453 | 3,000 |
Net charge-offs | (183) | (167) |
Provision (recoveries) of credit losses on loans | (382) | (1,148) |
Ending balance | 9,168 | 9,733 | 11,048
Individually evaluated | 270 | 270 |
Collectively evaluated | 8,898 | 9,463 |
Loans: |  |  |
Individually evaluated | 270 | 270 |
Collectively evaluated | 103,253 | 124,475 |
Loans, net of unearned income | 103,523 | 124,745 |
Nonaccruing loans with no allowance for credit losses | 0 | 0 |
Impact of PCD loans acquired during the period |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 25 | 11,460 |
Ending balance |  | 25 | 11,460
Impact of PCD loans acquired during the period | Commercial |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 25 | 11,460 |
Ending balance |  | 25 | 11,460
Impact of PCD loans acquired during the period | Real Estate - Construction |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 0 | 0 |
Ending balance |  | 0 | 0
Impact of PCD loans acquired during the period | Real Estate - 1-4 Family Mortgage |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 0 | 0 |
Ending balance |  | 0 | 0
Impact of PCD loans acquired during the period | Real Estate - Commercial Mortgage |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 0 | 0 |
Ending balance |  | 0 | 0
Impact of PCD loans acquired during the period | Lease Financing Receivables |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | 0 | 0 |
Ending balance |  | 0 | 0
Impact of PCD loans acquired during the period | Installment loans to individuals |  |  |
Allowance for credit losses on loans: |  |  |
Beginning balance | $ 0 | 0 |
Ending balance |  | $ 0 | $ 0

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