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Loans - Recorded Investment in Nonperforming Loans by Category (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | $ 11,000,007 | $ 10,884,118
Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 38,067 | 43,181
Loans over 90 days past due and still accruing interest | 1,317 | 547
Total nonperforming loans | 39,384 | 43,728
Loans, including unearned loan fees | 11,002,393 | 10,888,345
Nonaccrual loans with no allowance | 8,958 | 36,078
Non-Covered Loans | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 24,013 | 26,426
Non-Covered Loans | Residential Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 2,252 | 5,202
Non-Covered Loans | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 3,468 | 2,175
Non-Covered Loans | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 4,018 | 3,445
Non-Covered Loans | Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 6,978 | 7,641
Loans over 90 days past due and still accruing interest | 364 | 115
Total nonperforming loans | 7,342 | 7,756
Loans, including unearned loan fees | 4,622,028 | 4,674,056
Nonaccrual loans with no allowance | 335 | 6,179
Non-Covered Loans | Commercial and industrial | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 653 | 527
Non-Covered Loans | Commercial and industrial | Residential Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 1,864
Non-Covered Loans | Commercial and industrial | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 344
Non-Covered Loans | Commercial and industrial | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 4,018 | 3,445
Non-Covered Loans | Commercial - investor owned |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 18,417 | 20,404
Loans over 90 days past due and still accruing interest | 0 | 0
Total nonperforming loans | 18,417 | 20,404
Loans, including unearned loan fees | 2,468,895 | 2,452,402
Nonaccrual loans with no allowance | 961 | 19,466
Non-Covered Loans | Commercial - investor owned | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 18,417 | 19,467
Non-Covered Loans | Commercial - investor owned | Residential Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 0
Non-Covered Loans | Commercial - investor owned | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 0
Non-Covered Loans | Commercial - investor owned | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 0
Non-Covered Loans | Commercial - owner occupied |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 11,404 | 12,972
Loans over 90 days past due and still accruing interest | 945 | 363
Total nonperforming loans | 12,349 | 13,335
Loans, including unearned loan fees | 2,380,957 | 2,344,117
Nonaccrual loans with no allowance | 7,135 | 9,010
Non-Covered Loans | Commercial - owner occupied | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 4,943 | 5,904
Non-Covered Loans | Commercial - owner occupied | Residential Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 1,511 | 1,638
Non-Covered Loans | Commercial - owner occupied | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 3,468 | 1,831
Non-Covered Loans | Commercial - owner occupied | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 0
Non-Covered Loans | Construction and land development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 1,268 | 1,205
Loans over 90 days past due and still accruing interest | 0 | 64
Total nonperforming loans | 1,268 | 1,269
Loans, including unearned loan fees | 893,776 | 760,122
Nonaccrual loans with no allowance | 527 | 464
Non-Covered Loans | Construction and land development | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 528
Non-Covered Loans | Construction and land development | Residential Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 741 | 741
Non-Covered Loans | Construction and land development | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 0
Non-Covered Loans | Construction and land development | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees | 0 | 0
Non-Covered Loans | Residential |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual |  | 959
Loans over 90 days past due and still accruing interest |  | 0
Total nonperforming loans |  | 959
Loans, including unearned loan fees | 351,588 | 371,995
Nonaccrual loans with no allowance |  | 959
Non-Covered Loans | Residential | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees |  | 0
Non-Covered Loans | Residential | Residential Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees |  | 959
Non-Covered Loans | Residential | Blanket Lien |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees |  | 0
Non-Covered Loans | Residential | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Loans, including unearned loan fees |  | 0
Non-Covered Loans | Other |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Nonaccrual | 0 | 0
Loans over 90 days past due and still accruing interest | 8 | 5
Total nonperforming loans | 8 | 5
Loans, including unearned loan fees | 285,149 | 285,653
Nonaccrual loans with no allowance | $ 0 | $ 0

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