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Revenue Recognition (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]    
Investment and trust services fees $ 6,141 $ 5,669
Estate management services Fees recognition period 18 months  
Asset Management Fees [Member]    
Disaggregation of Revenue [Line Items]    
Investment and trust services fees $ 5,500 5,100
Estate Management Services Fees [Member]    
Disaggregation of Revenue [Line Items]    
Investment and trust services fees 365 314
Commisions [Member]    
Disaggregation of Revenue [Line Items]    
Investment and trust services fees $ 234 $ 282