Revenue Recognition Revenue from Contracts with Customers (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue within other ASC Scopes [Member]
Revenue from Contracts with Customers [Line Items]
GainLossOnSalesOfForeclosedProperties	$ (82,000)	$ 157,000	$ 916,000