Employee Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 155	$ 124	$ 464	$ 504
Interest cost	381	330	1,143	1,002
Expected return on plan assets	(571)	(560)	(1,797)	(1,674)
Amortization of prior service cost	(1)	(1)	(2)	(3)
Amortization of Net Loss	32	220	96	666
Net periodic benefit cost (benefit)	(4)	113	(96)	495
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	6	11	18
Interest cost	144	119	433	357
Amortization of prior service cost	25	25	75	75
Amortization of Net Loss	44	63	131	189
Net periodic benefit cost (benefit)	$ 217	$ 213	$ 650	$ 639