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Loans and Allowance for Credit Losses - Schedule of Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | $ 392,522 | $ 307,610 | $ 303,671
Charge-offs | (125,027) | (71,304) | (68,463)
Recoveries | 14,737 | 9,300 | 12,553
Provision (Release) for Loan Losses | 183,742 | 120,191 | 59,849
Balance at End of Period | 569,520 | 392,522 | 307,610
Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 103,546 | 26,725 | 0
Commercial |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 148,722 | 118,333 | 120,612
Charge-offs | (63,352) | (36,172) | (41,451)
Recoveries | 4,547 | 1,623 | 4,172
Provision (Release) for Loan Losses | 117,595 | 47,100 | 35,000
Balance at End of Period | 244,670 | 148,722 | 118,333
Commercial | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 37,158 | 17,838 | 0
Commercial real estate |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 200,309 | 155,099 | 138,244
Charge-offs | (43,647) | (18,565) | (11,198)
Recoveries | 2,717 | 2,713 | 2,417
Provision (Release) for Loan Losses | 42,904 | 53,021 | 25,636
Balance at End of Period | 268,332 | 200,309 | 155,099
Commercial real estate | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 66,049 | 8,041 | 0
BBCC |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 2,813 | 2,887 | 2,431
Charge-offs | (2,150) | (1,801) | (1,650)
Recoveries | 611 | 325 | 275
Provision (Release) for Loan Losses | 1,097 | 1,402 | 1,831
Balance at End of Period | 2,371 | 2,813 | 2,887
BBCC | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 0 | 0 | 0
Residential real estate |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 22,922 | 20,837 | 21,916
Charge-offs | (570) | (14) | (256)
Recoveries | 505 | 883 | 1,268
Provision (Release) for Loan Losses | 11,389 | 1,082 | (2,091)
Balance at End of Period | 34,394 | 22,922 | 20,837
Residential real estate | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 148 | 134 | 0
Indirect |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 8,434 | 1,236 | 1,532
Charge-offs | (7,450) | (5,610) | (2,948)
Recoveries | 2,583 | 1,274 | 1,559
Provision (Release) for Loan Losses | 4,448 | 11,534 | 1,093
Balance at End of Period | 8,021 | 8,434 | 1,236
Indirect | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 6 | 0 | 0
Direct |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 2,304 | 3,169 | 12,116
Charge-offs | (7,597) | (8,672) | (10,517)
Recoveries | 2,525 | 2,152 | 2,331
Provision (Release) for Loan Losses | 5,199 | 5,596 | (761)
Balance at End of Period | 2,478 | 2,304 | 3,169
Direct | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | 47 | 59 | 0
Home equity |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Balance at Beginning of Period | 7,018 | 6,049 | 6,820
Charge-offs | (261) | (470) | (443)
Recoveries | 1,249 | 330 | 531
Provision (Release) for Loan Losses | 1,110 | 456 | (859)
Balance at End of Period | 9,254 | 7,018 | 6,049
Home equity | Allowance Established for Acquired PCD Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Allowance Established for Acquired PCD Loans | $ 138 | $ 653 | $ 0

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