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Regulatory Capital Requirements (Tables)
9 Months Ended
Sep. 30, 2024
Regulatory Capital Requirements [Abstract]  
Actual Capital Amounts and Ratios
The Bank and the Company reported the following capital ratios as of September 30, 2024 and December 31, 2023:

(Bank Only)              
Minimum for
 
 
 

   
  Capital Adequacy plus
  As of September 30, 2024
Well
Capital Conservation
(dollars in thousands)
 
Amount
   
Ratio
   
Capitalized(1)
   
Buffer (1)(2)
 
 
                       
Tier 1 leverage ratio
 

649,481
     
10.634
%
   
5.000
%
   
4.000
%
Common equity tier 1 capital
   
649,481
     
18.546
     
6.500
     
7.000
 
Tier 1 risk-based capital
   
649,481
     
18.546
     
8.000
     
8.500
 
Total risk-based capital
   
693,354
     
19.799
     
10.000
     
10.500
 

 
 

   
   
Minimum for
 
    Capital Adequacy plus
As of December 31, 2023
Well
Capital Conservation
(dollars in thousands)
 
Amount
   
Ratio
   
Capitalized(1)
   
Buffer (1)(2)
 
 
                       
Tier 1 leverage ratio
 

636,327
     
10.428
%
   
5.000
%
   
4.000
%
Common equity tier 1 capital
   
636,327
     
18.280
     
6.500
     
7.000
 
Tier 1 risk-based capital
   
636,327
     
18.280
     
8.000
     
8.500
 
Total risk-based capital
   
679,924
     
19.532
     
10.000
     
10.500
 

(Consolidated)
           
     
Minimum for
 
    Capital Adequacy plus
 
As of September 30, 2024
Capital Conservation
(dollars in thousands)
 
Amount
   
Ratio
   
Buffer (1)(2)
 
 
                 
Tier 1 leverage ratio
675,067
     
11.051
%
   
4.000
%
Common equity tier 1 capital
 
675,067
     
19.272
     
7.000
 
Tier 1 risk-based capital
 
675,067
     
19.272
     
8.500
 
Total risk-based capital
 
718,952
     
20.525
     
10.500
 

 
     
Minimum for
 
    Capital Adequacy plus
  As of December 31, 2023 Capital Conservation
(dollars in thousands)
 
Amount
   
Ratio
   
Buffer (1)(2)
 
 
                 
Tier 1 leverage ratio
 
657,968
     
10.780
%
   
4.000
%
Common equity Tier 1 capital
   
657,968
     
18.896
     
7.000
 
Tier 1 risk-based capital
   
657,968
     
18.896
     
8.500
 
Total risk-based capital
   
701,577
     
20.149
     
10.500
 

(1)
Federal regulatory minimum requirements to be considered to be Well Capitalized and Adequately Capitalized
(2)
The September 30, 2024 and December 31, 2023 common equity tier 1, tier 1 risk-based, and total risk-based capital ratios include a capital conservation buffer of 2.50 percent