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6. Time Deposits (Tables)
 12 Months Ended
Dec. 31, 2020
Time Deposits [Line Items]  
Scheduled maturities of time deposits
(Dollars in thousands)      
       
2021   $ 57,475  
2022     19,235  
2023     14,815  
2024     10,926  
2025 and thereafter     3,821  
         
Total   $ 106,272