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Regulatory Matters (Tables)
12 Months Ended
Dec. 31, 2022
Regulatory Matters  
Schedule of regulatory capital requirements under banking regulations
The actual capital amounts and ratios for the Company and Bank as of December 31, 2022 and 2021 are presented in the table below:
CompanyBankMinimum Required
For Capital
Adequacy Purposes
To Be Well
Capitalized
Under Prompt
Corrective Action
Regulations *
(dollars in thousands)Actual
Amount
RatioActual
Amount
Ratio
As of December 31, 2022            
CET1 capital (to risk weighted assets)$1,329,971 14.03 %$1,341,347 14.23 %7.000 %6.5 %
Total capital (to risk weighted assets)1,415,854 14.94 %1,412,904 14.99 %10.500 %10.0 %
Tier 1 capital (to risk weighted assets)1,329,971 14.03 %1,341,347 14.23 %8.500 %8.0 %
Tier 1 capital (to average assets)1,329,971 11.63 %1,341,347 11.78 %4.000 %5.0 %
As of December 31, 2021
CET1 capital (to risk weighted assets)$1,269,329 14.63 %$1,261,518 14.62 %7.000 %6.5 %
Total capital (to risk weighted assets)1,365,117 15.74 %1,329,306 15.41 %10.500 %10.0 %
Tier 1 capital (to risk weighted assets)1,269,329 14.63 %1,261,518 14.62 %8.500 %8.0 %
Tier 1 capital (to average assets)1,269,329 10.19 %1,261,518 10.16 %4.000 %5.0 %
*    Applies to Bank only