v3.26.1
Regulatory Ratios and Capital (Tables)
 3 Months Ended
Mar. 31, 2026
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]  
Schedule of compliance with Regulatory Capital Requirements
The table below summarizes the Company’s and the Bank’s actual and required capital ratios under the Basel III Capital Rules and other standards. As shown in the table below, the Company’s and Bank’s capital ratios exceeded the regulatory definition of well capitalized as of March 31, 2026 and December 31, 2025.
March 31, 2026December 31, 2025
(dollars in thousands)Minimum Capital Required(2)Capital Required to be Well CapitalizedCapital AmountRatioCapital AmountRatio
The Company
CET1 capital (to risk-weighted assets)7.00 %N/A$3,391,450 11.99 %$3,394,471 12.13 %
Tier 1 capital (to risk-weighted assets)8.50 %6.00 %3,801,450 13.44 %3,804,471 13.60 %
Total capital (to risk-weighted assets)10.50 %10.00 %4,505,674 15.93 %4,509,943 16.12 %
Tier 1 capital (to average assets)(1)4.00 %N/A3,801,450 12.11 %3,804,471 11.65 %
The Bank
CET1 capital (to risk-weighted assets)7.00 %6.50 %$3,708,376 13.18 %$3,618,691 13.01 %
Tier 1 capital (to risk-weighted assets)8.50 %8.00 %3,708,376 13.18 %3,618,691 13.01 %
Total capital (to risk-weighted assets)10.50 %10.00 %4,039,830 14.35 %3,951,503 14.20 %
Tier 1 capital (to average assets)(1)4.00 %5.00 %3,708,376 11.91 %3,618,691 11.18 %
(1)    The Tier 1 capital ratio (to average assets) is not impacted by the Basel III Capital Rules; however, the Federal Reserve Board and the FDIC may require the Company and the Bank, respectively, to maintain a Tier 1 capital ratio (to average assets) above the required minimum.
(2)    Percentages represent the minimum capital ratios plus, as applicable, the fully phased-in 2.5% CET1 capital buffer under the Basel III Capital Rules.