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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Schedule of accumulated other comprehensive income

Accumulated other comprehensive income was as follows:

 

(Dollars in thousands)   As of December 31,  
    2019     2018  
Unrealized gain (loss) on available for sale securities   $      1,713     $   (1,108 )
Unrecognized gains on post-retirement benefits     158       181  
Tax effect     (393 )     195  
Accumulated other comprehensive income (loss)   $     1,478     $      (732 )