v3.25.3
Regulatory Ratios and Capital (Tables)
 9 Months Ended
Sep. 30, 2025
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 September 30, 2025 and December 31, 2024.
September 30, 2025December 31, 2024
(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$3,419,546 12.14 %$3,251,979 11.38 %
Tier 1 capital (to risk-weighted assets)8.50 %6.00 %3,829,546 13.60 %3,661,979 12.82 %
Total capital (to risk-weighted assets)10.50 %10.00 %4,534,636 16.10 %4,390,656 15.37 %
Tier 1 capital (to average assets)(1)4.00 %N/A3,829,546 11.88 %3,661,979 11.33 %
The Bank
CET1 capital (to risk-weighted assets)7.00 %6.50 %$3,509,504 12.53 %$3,611,714 12.75 %
Tier 1 capital (to risk-weighted assets)8.50 %8.00 %3,509,504 12.53 %3,611,714 12.75 %
Total capital (to risk-weighted assets)10.50 %10.00 %3,842,043 13.72 %3,968,168 14.00 %
Tier 1 capital (to average assets)(1)4.00 %5.00 %3,509,504 10.99 %3,611,714 11.27 %
(1)    The Tier 1 capital (to average assets) ratio 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 (to average assets) ratio 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.