Pension And Postretirement Obligations (Summary Of Projected Benefit Obligation And Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	$ 400	$ 400	$ 300
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	19,908	18,556
Interest cost	756	759	860
Actuarial losses (income)	(1,240)	1,518
Benefit payments	(931)	(925)
Benefit obligation, end of year	18,493	19,908	18,556
Fair value of plan assets, beginning of year	12,443	11,265
Actual return on plan	1,084	1,648
Employer contributions	520	455
Fair value of plan assets, end of year	13,116	12,443	11,265
Unfunded status at end of year	(5,377)	(7,465)
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	3,655	5,143
Service cost	13	14	14
Interest cost	112	226	238
Actuarial losses (income)	(805)	(1,595)
Benefit payments	(133)	(133)
Benefit obligation, end of year	2,842	3,655	5,143
Fair value of plan assets, beginning of year	2,221	2,167
Actual return on plan	(16)	54
Employer contributions	134	133
Fair value of plan assets, end of year	2,206	2,221	2,167
Unfunded status at end of year	$ (636)	$ (1,434)