Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Investment and trust services fees	$ 1,647	$ 1,464	$ 3,099	$ 2,861
Estate management services Fees recognition period			18 months
Asset Management Fees [Member]
Disaggregation of Revenue [Line Items]
Investment and trust services fees	1,500	1,300	$ 2,800	2,600
Estate Management Services Fees [Member]
Disaggregation of Revenue [Line Items]
Investment and trust services fees	84	81	154	142
Commisions [Member]
Disaggregation of Revenue [Line Items]
Investment and trust services fees	$ 67	$ 76	$ 135	$ 144