Revenue Recognition (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Asset Management Services [Member]
Trust and Estate fees recognized	$ 358,000	$ 359,000
Estate Management Services [Member]
Trust and Estate fees recognized	$ 50,000	$ 35,000
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%