Shareholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations
The Company's and the Bank's actual capital amounts and ratios are presented as of December 31, 2021 and December 31, 2020 in the tables below:
 Actual
Minimum Capital
for Capital
Adequacy
Purposes(1)
Minimum Capital
to be
Well-Capitalized(2)
(Dollars in thousands)AmountRatioAmountRatioAmountRatio
As of December 31, 2021      
The Company      
Total Capital to risk-weighted assets ("RWA")$435,328 13.73 %$253,610 8.00 %N/AN/A
Tier 1 Capital to RWA336,577 10.62 %190,208 6.00 %N/AN/A
Tier 1 Capital to average assets ("AA") or Leverage Ratio336,577 7.56 %177,978 4.00 %N/AN/A
Common Equity Tier 1 Capital to RWA336,577 10.62 %142,656 4.50 %N/AN/A
The Bank      
Total Capital to RWA$434,430 13.70 %$253,610 8.00 %$317,013 10.00 %
Tier 1 Capital to RWA394,658 12.45 %190,208 6.00 %253,610 8.00 %
Tier 1 Capital to AA, Leverage Ratio394,658 8.87 %177,978 4.00 %222,473 5.00 %
Common Equity Tier 1 Capital to RWA394,658 12.45 %142,656 4.50 %206,058 6.50 %
 Actual
Minimum Capital
for Capital
Adequacy
Purposes(1)
Minimum Capital
to be
Well-Capitalized(2)
(Dollars in thousands)AmountRatioAmountRatioAmountRatio
As of December 31, 2020      
The Company      
Total Capital to RWA$415,999 14.62 %$227,631 8.00 %N/AN/A
Tier 1 Capital to RWA306,577 10.77 %170,723 6.00 %N/AN/A
Tier 1 Capital to AA, Leverage Ratio306,577 7.52 %163,127 4.00 %N/AN/A
Common Equity Tier 1 Capital to RWA306,577 10.77 %128,042 4.50 %N/AN/A
The Bank      
Total Capital to RWA$413,862 14.55 %$227,631 8.00 %$284,538 10.00 %
Tier 1 Capital to RWA378,184 13.29 %170,723 6.00 %227,631 8.00 %
Tier 1 Capital to AA, Leverage Ratio378,184 9.27 %163,127 4.00 %203,909 5.00 %
Common Equity Tier 1 Capital to RWA378,184 13.29 %128,042 4.50 %184,950 6.50 %
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(1)    Before application of the capital conservation buffer of 2.50% as of December 31, 2021 and December 31, 2020. See discussion below.
(2)    For the Bank to qualify as "well-capitalized," it must maintain at least the minimum ratios listed under the regulatory prompt corrective action framework. This framework does not apply to the Company.
Schedule of Basel III Minimum Requirements at Full Phase In
The Basel III minimum capital ratio requirements as applicable to the Company and the Bank with the capital conservation buffer are summarized in the table below:

Basel III Minimum for Capital Adequacy PurposesBasel III Additional Capital Conservation BufferBasel III "Adequate" Ratio with Capital Conservation Buffer
Total Capital to RWA8.00%2.50%10.50%
Tier 1 Capital to RWA6.00%2.50%8.50%
Tier 1 Capital to AA, or Leverage Ratio4.00%N/A4.00%
Common equity tier 1 capital to RWA4.50%2.50%7.00%