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Loans - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | $ 11,800,338 | $ 11,220,355
Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 11,801,093 | 11,220,818
Commercial and Industrial Portfolio Segment [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 5,236,473 | 4,720,428
Commercial Real Estate Investor Owned Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,986,906 | 2,607,755
Commercial Real Estate Owner Occupied Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,460,761 | 2,359,956
Construction and land development | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 689,357 | 892,563
Residential real estate | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 367,127 | 358,923
Consumer | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 60,469 | 281,193
Commercial Real Estate | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 40,311 | 21,657
Commercial Real Estate | Commercial and Industrial Portfolio Segment [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Commercial Real Estate | Commercial Real Estate Investor Owned Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 35,701 | 14,136
Commercial Real Estate | Commercial Real Estate Owner Occupied Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 4,610 | 7,521
Commercial Real Estate | Residential real estate | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 |
Residential | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 8,574 | 482
Residential | Commercial and Industrial Portfolio Segment [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 19 | 0
Residential | Commercial Real Estate Investor Owned Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential | Commercial Real Estate Owner Occupied Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 456 | 482
Residential | Residential real estate | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 8,099 |
Blanket Lien | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 3,391 | 4,765
Blanket Lien | Commercial and Industrial Portfolio Segment [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 3,391 | 4,279
Blanket Lien | Commercial Real Estate Investor Owned Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Blanket Lien | Commercial Real Estate Owner Occupied Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 486
Blanket Lien | Residential real estate | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 |
Other Collateral | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 15,644 | 3,495
Other Collateral | Commercial and Industrial Portfolio Segment [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 15,644 | 3,495
Other Collateral | Commercial Real Estate Investor Owned Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Other Collateral | Commercial Real Estate Owner Occupied Financing Receivable [Member] | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | $ 0
Other Collateral | Residential real estate | Non-Covered Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | $ 0 |

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