Pension And Postretirement Obligations (Components Of Net Periodic Cost (Gain)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 756	$ 759	$ 860
Expected return on plan assets	(975)	(876)	(913)
Amortization of prior service cost	56	56	56
Recognized actuarial (gain) loss	840	909	755
Net periodic benefit cost (gain)	677	848	758
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	13	14	14
Interest cost	112	226	238
Expected return on plan assets	(178)	(173)	(168)
Amortization of transition asset		28	28
Amortization of prior service cost	(330)	(330)	(330)
Recognized actuarial (gain) loss	37	131	94
Net periodic benefit cost (gain)	$ (346)	$ (104)	$ (124)