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Regulatory Matters (Tables)
12 Months Ended
Dec. 31, 2018
Regulatory Matters [Abstract]  
Summary of capital amounts and ratios of the Bank and the Company and the regulatory minimum requirements
 
To be well
capitalized
For capitalunder prompt
adequacy purposescorrective action
Actualminimum provisions minimum
(dollars in thousands)     Amount     Ratio     Amount     Ratio     Amount     Ratio
As of December 31, 2018
The Bank
Total Capital (to risk weighted assets)$198,19512.16%$130,3688.00%$162,96010.00%
Tier 1 Capital (to risk weighted assets)182,43311.20%97,7766.00%130,3688.00%
Common Equity Tier 1 Capital (to risk weighted assets)182,43311.20%73,3324.50%105,9246.50%
Tier 1 Capital (to average assets)182,4339.84%74,1264.00%92,6585.00%
 
The Company
Total Capital (to risk weighted assets)203,59512.49%130,3688.00%n/an/a
Tier 1 Capital (to risk weighted assets)187,83311.53%97,7766.00%n/an/a
Common Equity Tier 1 Capital (to risk weighted assets)174,83310.73%73,3324.50%n/an/a
Tier 1 Capital (to average assets)187,83310.14%74,1264.00%n/an/a
 
To be well
capitalized
For capitalunder prompt
adequacy purposescorrective action
Actualminimum provisions minimum
(dollars in thousands)AmountRatio AmountRatio AmountRatio
As of December 31, 2017
The Bank
Total Capital (to risk weighted assets)$175,01612.99%$107,7498.00%$134,68610.00%
Tier 1 Capital (to risk weighted assets)159,49311.84%80,8126.00%107,7498.00%
Common Equity Tier 1 Capital (to risk weighted assets)159,49311.84%60,6094.50%87,5466.50%
Tier 1 Capital (to average assets)159,49310.04%63,5734.00%79,4665.00%
 
The Company
Total Capital (to risk weighted assets)178,66513.27%107,7498.00%n/an/a
Tier 1 Capital (to risk weighted assets)163,14212.11%80,8126.00%n/an/a
Common Equity Tier 1 Capital (to risk weighted assets)150,14211.15%60,6094.50%n/an/a
Tier 1 Capital (to average assets)163,14210.26%63,5734.00%n/an/a