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Revenue Recognition (Schedule of Investment and Trust Fees) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Disaggregation of Revenue [Line Items]        
Investment and trust services fees $ 1,783 $ 1,661 $ 5,576 $ 5,407
Estate management services Fees recognition period     18 months  
Asset Management Fees [Member]        
Disaggregation of Revenue [Line Items]        
Investment and trust services fees 1,660 1,519 $ 5,141 4,888
Estate Management Fees [Member]        
Disaggregation of Revenue [Line Items]        
Investment and trust services fees 65 113 218 415
Commissions [Member]        
Disaggregation of Revenue [Line Items]        
Investment and trust services fees $ 58 $ 29 $ 217 $ 104