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6. Time Deposits (Tables)
 12 Months Ended
Dec. 31, 2019
Time Deposits [Line Items]  
Scheduled maturities of time deposits
 2020   $53,905 
 2021    21,997 
 2022    10,919 
 2023    3,117 
 2024 and thereafter    21,818 
        
 Total   $111,756