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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2024
Banking And Thrift Disclosure [Abstract] |
Capital Ratios | The following is a summary of Bancshares’ and the Bank’s capital ratios at December 31, 2024 and 2023:
|  | Actual |  |  | Minimum Required For Capital Adequacy Purposes |  |  | Minimum Required Plus Capital Conservation Buffer |  |  | To Be Categorized As Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
|  | (Dollars in thousands) |
CONSOLIDATED: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 Capital (to Risk Weighted Assets) |  | $ | 3,908,497 |  |  |  | 16.42 | % |  | $ | 1,071,015 |  |  |  | 4.50 | % |  | $ | 1,666,024 |  |  |  | 7.00 | % |  | N/A |  |  | N/A |
Tier 1 Capital (to Risk Weighted Assets) |  |  | 3,908,497 |  |  |  | 16.42 |  |  |  | 1,428,021 |  |  |  | 6.00 |  |  |  | 2,023,029 |  |  |  | 8.50 |  |  | N/A |  |  | N/A |
Total Capital (to Risk Weighted Assets) |  |  | 4,206,669 |  |  |  | 17.67 |  |  |  | 1,904,028 |  |  |  | 8.00 |  |  |  | 2,499,036 |  |  |  | 10.50 |  |  | N/A |  |  | N/A |
Tier 1 Capital (to Average Tangible Assets) |  |  | 3,908,497 |  |  |  | 10.82 |  |  |  | 1,445,504 |  |  |  | 4.00 |  |  |  | 1,445,504 |  |  |  | 4.00 |  |  | N/A |  |  | N/A |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 Capital (to Risk Weighted Assets) |  | $ | 3,681,430 |  |  |  | 15.54 | % |  | $ | 1,065,744 |  |  |  | 4.50 | % |  | $ | 1,657,824 |  |  |  | 7.00 | % |  | N/A |  |  | N/A |
Tier 1 Capital (to Risk Weighted Assets) |  |  | 3,681,430 |  |  |  | 15.54 |  |  |  | 1,420,992 |  |  |  | 6.00 |  |  |  | 2,013,072 |  |  |  | 8.50 |  |  | N/A |  |  | N/A |
Total Capital (to Risk Weighted Assets) |  |  | 3,923,052 |  |  |  | 16.56 |  |  |  | 1,894,656 |  |  |  | 8.00 |  |  |  | 2,486,736 |  |  |  | 10.50 |  |  | N/A |  |  | N/A |
Tier 1 Capital (to Average Tangible Assets) |  |  | 3,681,430 |  |  |  | 10.39 |  |  |  | 1,417,440 |  |  |  | 4.00 |  |  |  | 1,417,440 |  |  |  | 4.00 |  |  | N/A |  |  | N/A |
BANK ONLY: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 Capital (to Risk Weighted Assets) |  | $ | 3,893,275 |  |  |  | 16.36 | % |  | $ | 1,070,586 |  |  |  | 4.50 | % |  | $ | 1,665,356 |  |  |  | 7.00 | % |  | $ | 1,546,402 |  |  |  | 6.50 | %
Tier 1 Capital (to Risk Weighted Assets) |  |  | 3,893,275 |  |  |  | 16.36 |  |  |  | 1,427,448 |  |  |  | 6.00 |  |  |  | 2,022,219 |  |  |  | 8.50 |  |  |  | 1,903,264 |  |  |  | 8.00 |
Total Capital (to Risk Weighted Assets) |  |  | 4,191,332 |  |  |  | 17.62 |  |  |  | 1,903,264 |  |  |  | 8.00 |  |  |  | 2,498,035 |  |  |  | 10.50 |  |  |  | 2,379,081 |  |  |  | 10.00 |
Tier 1 Capital (to Average Tangible Assets) |  |  | 3,893,275 |  |  |  | 10.78 |  |  |  | 1,445,188 |  |  |  | 4.00 |  |  |  | 1,445,188 |  |  |  | 4.00 |  |  |  | 1,806,485 |  |  |  | 5.00 |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 Capital (to Risk Weighted Assets) |  | $ | 3,665,750 |  |  |  | 15.48 | % |  | $ | 1,065,417 |  |  |  | 4.50 | % |  | $ | 1,657,315 |  |  |  | 7.00 | % |  | $ | 1,538,935 |  |  |  | 6.50 | %
Tier 1 Capital (to Risk Weighted Assets) |  |  | 3,665,750 |  |  |  | 15.48 |  |  |  | 1,420,556 |  |  |  | 6.00 |  |  |  | 2,012,454 |  |  |  | 8.50 |  |  |  | 1,894,074 |  |  |  | 8.00 |
Total Capital (to Risk Weighted Assets) |  |  | 3,907,375 |  |  |  | 16.50 |  |  |  | 1,894,074 |  |  |  | 8.00 |  |  |  | 2,485,972 |  |  |  | 10.50 |  |  |  | 2,367,593 |  |  |  | 10.00 |
Tier 1 Capital (to Average Tangible Assets) |  |  | 3,665,750 |  |  |  | 10.35 |  |  |  | 1,417,269 |  |  |  | 4.00 |  |  |  | 1,417,269 |  |  |  | 4.00 |  |  |  | 1,771,586 |  |  |  | 5.00 |

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