Benefit Plans (Change In Projected Benefit Obligation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Benefit Plans [Abstract]
Benefit obligation at beginning of measurement year	$ 19,679	$ 17,281	$ 18,648
Service cost	377	337	456
Interest cost	695	778	715
Actuarial loss	(906)	2,529	(1,798)
Benefits paid	(1,236)	(1,246)	(740)
Benefit obligation at end of measurement year	$ 18,609	$ 19,679	$ 17,281