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Loans - Credit Quality Based on Aging Status (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | $ 77,569 | $ 78,789
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 10,884,118 | 9,737,138
Non-Covered Loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 10,884,118 | 9,737,138
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 10,888,345 | 9,744,427
Non-Covered Loans | Commercial - investor owned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,452,402 | 2,357,820
Non-Covered Loans | Commercial - investor owned | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 17,885 | 18,595
Non-Covered Loans | Commercial - investor owned | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Non-Covered Loans | Commercial - investor owned | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 17,885 | 18,595
Non-Covered Loans | Commercial - owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,344,117 | 2,270,551
Non-Covered Loans | Commercial - owner occupied | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 28,373 | 29,397
Non-Covered Loans | Commercial - owner occupied | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Non-Covered Loans | Commercial - owner occupied | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 28,373 | 29,397
Non-Covered Loans | Construction and land development |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 760,122 | 611,565
Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 26,188 | 23,310
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 4,646,371 | 3,836,572
Commercial and industrial | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 4,475,490 | 3,645,384
Commercial and industrial | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 89,066 | 147,206
Commercial and industrial | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 81,815 | 43,982
Residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 712 | 743
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 371,476 | 394,794
Residential | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 358,299 | 390,903
Residential | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,812 | 1,543
Residential | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 10,365 | 2,348
Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 4,411 | 6,744
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 270,964 | 235,039
Other | Pass (1-6) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 244,839 | 235,014
Other | Special Mention (7) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 26,117 | 0
Other | Classified (8-9) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 8 | 25
Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 77,452 | 78,647
Performing | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 26,076 | 23,240
Performing | Residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 712 | 743
Performing | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 4,406 | 6,672
Non Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 117 | 142
Non Performing | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 112 | 70
Non Performing | Residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | 0 | 0
Non Performing | Other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss | $ 5 | $ 72

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