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Regulatory Capital Requirements
3 Months Ended
Mar. 31, 2022
Regulatory Capital Requirements [Abstract]  
Regulatory Capital Requirements
(10) Regulatory Capital Requirements

Banks and bank holding companies are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy regulations and, additionally for banks, the prompt corrective action regulations, involve quantitative measures of assets, liabilities, and certain off-balance-sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators. Failure to meet capital requirements can result in regulatory action. As of March 31, 2022, the Company and Bank meet all capital adequacy requirements to which they are subject.

Prompt corrective action regulations provide five classifications: well capitalized, adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized, although these terms are not used to represent overall financial condition. If a bank is not classified as well capitalized, regulatory approval is required to accept brokered deposits. If a bank is undercapitalized, capital distributions are limited, as is asset growth and expansion, and capital restoration plans are required. The federal banking agencies are required to take certain supervisory actions (and may take additional discretionary actions) with respect to an undercapitalized institution or its holding company. Such actions could have a direct material effect on an institution’s or its holding company’s financial statements. As of March 31, 2022 and December 31, 2021, the most recent regulatory notifications categorized the Bank as well capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s category.

The Bank and the Company reported the following capital ratios as of March 31, 2022 and December 31, 2021:

(Bank Only)
                       
 
             
Minimum for
Capital Adequacy plus
Capital Conservation
 
 
 
As of March 31, 2022
   
Well
 
 
(dollars in thousands)
 
Amount
   
Ratio
   
Capitalized(1)
   
Buffer (1)(2)
 
 
                       
Tier 1 leverage ratio
 
$
575,895
     
9.286
%
   
5.000
%
   
4.000
%
Common equity tier 1 capital
   
575,895
     
18.743
     
6.500
     
7.000
 
Tier 1 risk-based capital
   
575,895
     
18.743
     
8.000
     
8.500
 
Total risk-based capital
   
614,433
     
19.997
     
10.000
     
10.500
 

 
 
As of December 31, 2021
   
Well
   
Minimum for
Capital Adequacy plus
Capital Conservation
 
(dollars in thousands)
 
Amount
   
Ratio
   
Capitalized(1)
   
Buffer (1)(2)
 
 
                       
Tier 1 leverage ratio
 

570,594
     
9.324
%
   
5.000
%
   
4.000
%
Common equity tier 1 capital
   
570,594
     
18.954
     
6.500
     
7.000
 
Tier 1 risk-based capital
   
570,594
     
18.954
     
8.000
     
8.500
 
Total risk-based capital
   
608,308
     
20.206
     
10.000
     
10.500
 

(Consolidated)
           
   
As of March 31, 2022
   
Minimum for
Capital Adequacy plus
Capital Conservation
 
(dollars in thousands)
 
Amount
   
Ratio
   
Buffer (1)(2)
 
 
                 
Tier 1 leverage ratio
 
$
594,711
     
9.585
%
   
4.000
%
Common equity tier 1 capital
 
$
594,711
     
19.349
     
7.000
 
Tier 1 risk-based capital
 
$
594,711
     
19.349
     
8.500
 
Total risk-based capital
 
$
633,260
     
20.603
     
10.500
 

 
 
As of December 31, 2021
   
Minimum for
Capital Adequacy plus
Capital Conservation
 
(dollars in thousands)
 
Amount
   
Ratio
   
Buffer (1)(2)
 
 
                 
Tier 1 leverage ratio
 
$
588,427
     
9.614
%
   
4.000
%
Common equity Tier 1 capital
   
588,427
     
19.541
     
7.000
 
Tier 1 risk-based capital
   
588,427
     
19.541
     
8.500
 
Total risk-based capital
   
626,150
     
20.794
     
10.500
 

(1)
Federal regulatory minimum requirements to be considered to be Well Capitalized and Adequately Capitalized
(2)
The March 31, 2022 and December 31, 2021 common equity tier 1, tier 1 risk-based, and total risk-based capital ratios include a capital conservation buffer of 2.50 percent