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Revenue Recognition (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Asset Management Services [Member]        
Estate fees recognized $ 97,000 $ 90,000 $ 276,000 $ 278,000
Estate Management Services [Member]        
Estate fees recognized $ 7,000 $ 1,000 $ 18,000 $ 38,000
Percentage of total estate fee recognized when all estate assets are collected and debts paid     25.00%  
Percentage of total estate fee recognized when the inheritance tax return is filed     50.00%  
Percentage of total estate fee recognized when the first and final account is confirmed     25.00%