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Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | $ 261,346 | $ 238,178
Nonaccrual With No Related Allowance | 43,153 | 41,318
Past Due 90 Days or More and Accruing | 1,192 | 2,650
Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 49,108 | 60,372
Nonaccrual With No Related Allowance | 13,432 | 7,873
Past Due 90 Days or More and Accruing | 577 | 152
Commercial real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 143,600 | 122,290
Nonaccrual With No Related Allowance | 29,721 | 33,445
Past Due 90 Days or More and Accruing | 104 | 0
BBCC |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 3,721 | 2,429
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 | 40,342 | 34,660
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 0 | 1,808
Indirect |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 3,870 | 3,230
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 54 | 28
Direct |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 5,705 | 3,997
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | 109 | 133
Home equity |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual Amortized Cost | 15,000 | 11,200
Nonaccrual With No Related Allowance | 0 | 0
Past Due 90 Days or More and Accruing | $ 348 | $ 529

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