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Loans and Allowance for Credit Losses - Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | $ 422,125 | $ 381,601 | $ 414,494 | $ 353,055
Loans charged-off to the allowance for credit losses | 22,088 | 23,139 | 63,118 | 72,773
Recovery of previously charged-off loans | 5,300 | 4,791 | 13,601 | 15,315
Financing Receivable, Credit Loss, Expense (Reversal) | 29,113 | 28,281 | 69,473 | 95,937
Ending Balance | 434,450 | 391,534 | 434,450 | 391,534
Commercial real estate - owner occupied |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | 37,070 | 29,847 | 36,997 | 28,690
Loans charged-off to the allowance for credit losses | 334 | 0 | 602 | 8,904
Recovery of previously charged-off loans | 0 | 11 | 14 | 153
Financing Receivable, Credit Loss, Expense (Reversal) | 3,454 | 1,842 | 3,781 | 11,761
Ending Balance | 40,190 | 31,700 | 40,190 | 31,700
Commercial and Industrial Portfolio Segment [Member] |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | 187,020 | 154,014 | 174,799 | 148,212
Loans charged-off to the allowance for credit losses | 18,167 | 19,842 | 52,619 | 50,611
Recovery of previously charged-off loans | 3,727 | 3,281 | 9,069 | 10,030
Financing Receivable, Credit Loss, Expense (Reversal) | 19,874 | 24,918 | 61,205 | 54,740
Ending Balance | 192,454 | 162,371 | 192,454 | 162,371
Consumer real estate – mortgage |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | 87,296 | 80,247 | 80,042 | 71,354
Loans charged-off to the allowance for credit losses | 621 | 126 | 1,707 | 788
Recovery of previously charged-off loans | 368 | 168 | 776 | 849
Financing Receivable, Credit Loss, Expense (Reversal) | 1,013 | (4,102) | 8,945 | 4,772
Ending Balance | 88,056 | 76,187 | 88,056 | 76,187
Construction and land development |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | 32,753 | 30,035 | 33,620 | 39,142
Loans charged-off to the allowance for credit losses | 274 | 0 | 274 | 0
Recovery of previously charged-off loans | 11 | 0 | 13 | 9
Financing Receivable, Credit Loss, Expense (Reversal) | 2,606 | 2,340 | 1,737 | (6,776)
Ending Balance | 35,096 | 32,375 | 35,096 | 32,375
Consumer and other |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | 8,325 | 8,494 | 8,382 | 7,970
Loans charged-off to the allowance for credit losses | 2,470 | 2,905 | 7,601 | 9,123
Recovery of previously charged-off loans | 1,185 | 1,319 | 3,702 | 4,234
Financing Receivable, Credit Loss, Expense (Reversal) | 3,099 | 1,230 | 5,656 | 5,057
Ending Balance | 10,139 | 8,138 | 10,139 | 8,138
Commercial real estate - non-owner occupied |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | 69,661 | 78,964 | 80,654 | 57,687
Loans charged-off to the allowance for credit losses | 222 | 266 | 315 | 3,347
Recovery of previously charged-off loans | 9 | 12 | 27 | 40
Financing Receivable, Credit Loss, Expense (Reversal) | (933) | 2,053 | (11,851) | 26,383
Ending Balance | $ 68,515 | $ 80,763 | $ 68,515 | $ 80,763

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