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QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)
12 Months Ended
Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Data
   Earnings Per Share
(Dollars in thousands)Interest IncomeNet Interest IncomeIncome Before TaxesNet IncomeBasicDiluted
2020      
     First quarter$20,699 $16,171 $1,227 $1,048 $0.08 $0.08 
     Second quarter21,774 18,458 24,042 18,034 1.50 1.49 
     Third quarter18,627 16,510 8,512 6,491 0.53 0.53 
     Fourth quarter19,353 17,687 13,162 11,838 1.00 0.97 

   Earnings Per Share
(Dollars in thousands)Interest IncomeNet Interest IncomeIncome Before TaxesNet IncomeBasicDiluted
2019      
     First quarter$19,623 $13,972 $3,989 $3,192 $0.26 $0.26 
     Second quarter20,470 14,529 20,526 15,377 1.31 1.18 
     Third quarter21,038 15,034 5,668 4,327 0.36 0.35 
     Fourth quarter21,230 15,865 5,406 4,095 0.34 0.32