Goodwill And Other Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill, beginning balance		$ 66,417	$ 60,402
Impairment	$ (1,600)	(1,575)		$ (751)
Acquisition		998	6,015
Goodwill, ending balance		65,840	66,417	60,402
Banking [Member]
Goodwill [Line Items]
Goodwill, beginning balance		48,536	48,536
Impairment
Acquisition
Goodwill, ending balance		48,536	48,536	48,536
Non-Banking [Member]
Goodwill [Line Items]
Goodwill, beginning balance		17,881	11,866
Impairment		(1,575)
Acquisition		998	6,015
Goodwill, ending balance		$ 17,304	$ 17,881	$ 11,866