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Loans and Allowance for Credit Losses - Summary of Allocation of Allowance for Loan Loss as well as Activity in Allowance for Loan Loss Attributed to Various Segments in Loan (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
ALLL beginning balance | $ 172,427 | $ 183,178 | $ 169,530 | $ 176,994 |
Provision for credit losses or (recapture) | 91,932 | 30,929 | 144,416 | 85,313 |
Loans receivable allowance including provision losses or (recapture) | 264,359 | 214,107 | 313,946 | 262,307 |
Loans charged-off | (58,218) | (53,780) | (112,741) | (107,466) |
Recoveries of loans previously charged-off | 7,583 | 4,467 | 12,519 | 9,953 |
Net charge-offs | (50,635) | (49,313) | (100,222) | (97,513) |
Ending ALLL Balance | 213,724 | 164,794 | 213,724 | 164,794 |
Gross loans receivable | 4,215,122 |  | 4,215,122 |  | $ 3,756,829
Commercial and industrial loans |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
ALLL beginning balance | 7,728 | 10,066 | 8,757 | 11,051 |
Provision for credit losses or (recapture) | 12 | 221 | (33) | 787 |
Loans receivable allowance including provision losses or (recapture) | 7,740 | 10,287 | 8,724 | 11,838 |
Loans charged-off | (1,010) | (1,738) | (2,156) | (3,645) |
Recoveries of loans previously charged-off | 152 | 205 | 314 | 561 |
Net charge-offs | (858) | (1,533) | (1,842) | (3,084) |
Ending ALLL Balance | 6,882 | 8,754 | 6,882 | 8,754 |
Construction, land and land development loans |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
ALLL beginning balance | 6,101 | 4,531 | 6,580 | 3,439 |
Provision for credit losses or (recapture) | (2,111) | 734 | (2,590) | 1,826 |
Loans receivable allowance including provision losses or (recapture) | 3,990 | 5,265 | 3,990 | 5,265 |
Loans charged-off | 0 | 0 | 0 | 0 |
Recoveries of loans previously charged-off | 0 | 0 | 0 | 0 |
Net charge-offs | 0 | 0 | 0 | 0 |
Ending ALLL Balance | 3,990 | 5,265 | 3,990 | 5,265 |
Gross loans receivable |  |  |  |  |
Real Estate Portfolio Segment | Residential real estate loans |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
ALLL beginning balance | 8,498 | 13,443 | 11,100 | 12,250 |
Provision for credit losses or (recapture) | 3,671 | 239 | 1,762 | 3,035 |
Loans receivable allowance including provision losses or (recapture) | 12,169 | 13,682 | 12,862 | 15,285 |
Loans charged-off | (1,512) | (1,552) | (2,217) | (3,157) |
Recoveries of loans previously charged-off | 2 | 94 | 14 | 96 |
Net charge-offs | (1,510) | (1,458) | (2,203) | (3,061) |
Ending ALLL Balance | 10,659 | 12,224 | 10,659 | 12,224 |
Real Estate Portfolio Segment | Commercial real estate loans |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
ALLL beginning balance | 6,010 | 8,110 | 5,496 | 8,456 |
Provision for credit losses or (recapture) | (298) | (810) | 216 | (1,160) |
Loans receivable allowance including provision losses or (recapture) | 5,712 | 7,300 | 5,712 | 7,296 |
Loans charged-off | 0 | 0 | 0 | 0 |
Recoveries of loans previously charged-off | 0 | 0 | 0 | 4 |
Net charge-offs | 0 | 0 | 0 | 4 |
Ending ALLL Balance | 5,712 | 7,300 | 5,712 | 7,300 |
Consumer and other loans: |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
ALLL beginning balance | 144,090 | 147,028 | 137,597 | 141,798 |
Provision for credit losses or (recapture) | 90,658 | 30,545 | 145,061 | 80,825 |
Loans receivable allowance including provision losses or (recapture) | 234,748 | 177,573 | 282,658 | 222,623 |
Loans charged-off | (55,696) | (50,490) | (108,368) | (100,664) |
Recoveries of loans previously charged-off | 7,429 | 4,168 | 12,191 | 9,292 |
Net charge-offs | (48,267) | (46,322) | (96,177) | (91,372) |
Ending ALLL Balance | 186,481 | $ 131,251 | 186,481 | $ 131,251 |
Gross loans receivable | $ 1,682,710 |  | $ 1,682,710 |  | $ 1,328,461

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