Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Impairment of goodwill	$ 0	$ 0	$ 0
Aggregate amortization expense for intangible assets	1,300	1,300	$ 1,500
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Recognized temporary impairment	0
Aggregate amortization expense for intangible assets	$ (617)	$ (462)