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Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | $ 590,820 | $ 447,979
Nonaccrual With No Related Allowance | 95,580 | 95,004
Past Due 90 Days or More and Accruing | 1,525 | 4,060
Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 177,240 | 119,507
Nonaccrual With No Related Allowance | 14,043 | 30,551
Past Due 90 Days or More and Accruing | 394 | 861
Commercial real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 319,069 | 233,856
Nonaccrual With No Related Allowance | 81,537 | 64,453
Past Due 90 Days or More and Accruing | 1,046 | 3,126
BBCC |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 3,508 | 4,672
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 0 | 0
Residential real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 63,446 | 60,454
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 34 | 0
Indirect |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 4,923 | 5,372
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 18 | 0
Direct |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 4,473 | 3,407
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 33 | 0
Home equity |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 18,161 | 20,711
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | $ 0 | $ 73

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