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Loans - Summary of Performing and Non Performing Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | $ (10,940,114) | $ (10,749,347)
Loans, before unearned loan fees | 11,079,892 | 10,884,118
Non-Covered Loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (11,079,892) | (10,884,118)
Loans, before unearned loan fees | 11,081,653 | 10,888,345
Non-Covered Loans | Commercial - investor owned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (2,526,696) | (2,452,402)
Loans, before unearned loan fees | 2,526,696 | 2,452,402
Non-Covered Loans | Commercial - owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (2,381,636) | (2,344,117)
Loans, before unearned loan fees | 2,381,636 | 2,344,117
Non-Covered Loans | Construction and land development |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (896,768) | (760,122)
Loans, before unearned loan fees | 896,768 | 760,122
Total |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (78,690) | (77,569)
Total | Non-Covered Loans | Commercial - investor owned | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 17,352 | 17,885
Total | Non-Covered Loans | Commercial - owner occupied | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 27,605 | 28,373
Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (78,464) | (77,452)
Performing | Non-Covered Loans | Commercial - investor owned | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 17,352 | 17,885
Performing | Non-Covered Loans | Commercial - owner occupied | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 27,605 | 28,373
Non Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (226) | (117)
Non Performing | Non-Covered Loans | Commercial - investor owned | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 0 | 0
Non Performing | Non-Covered Loans | Commercial - owner occupied | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 0 | 0
Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 4,595,211 | 4,646,371
Commercial and industrial | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 4,321,703 | 4,475,490
Commercial and industrial | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 176,667 | 89,066
Commercial and industrial | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 96,841 | 81,815
Commercial and industrial | Total |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (33,277) | (26,188)
Commercial and industrial | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (33,051) | (26,076)
Commercial and industrial | Non Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (226) | (112)
Residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 354,625 | 371,476
Residential | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 348,336 | 358,299
Residential | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 4,395 | 2,812
Residential | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 1,894 | 10,365
Residential | Total |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (654) | (712)
Residential | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (654) | (712)
Residential | Non Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | 0 | 0
Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 284,822 | 270,964
Other | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 272,618 | 244,839
Other | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 12,199 | 26,117
Other | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, before unearned loan fees | 5 | 8
Other | Total |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (198) | (4,411)
Other | Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | (198) | (4,406)
Other | Non Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Investment on loans by payment activity | $ 0 | $ (5)

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