Benefit Plans (Schedule Of Accumulated And Projected Benefit Obligations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Benefit Plans [Abstract]
Benefit obligation at beginning of measurement year	$ 18,648	$ 17,138	$ 14,252
Service cost	456	460	358
Interest cost	715	716	729
Actuarial loss	(1,798)	1,093	2,570
Benefits paid	(740)	(759)	(771)
Benefit obligation at end of measurement year	17,281	18,648	17,138
Fair value of plan assets at beginning of measurement year	18,764	11,658	9,056
Actual return on plan assets net of expenses	576	1,082	1,261
Employer Contribution		6,783	2,112
Fair value of plan assets at end of measurement year	18,600	18,764	11,658
Funded status of projected benefit obligation at end of measurement year	$ 1,319	$ 116	$ (5,480)