Employee Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 154	$ 190
Interest cost	381	336
Expected return on plan assets	(655)	(557)
Amortization of prior service cost	(1)	(1)
Amortization of Net Loss	63	223
Net periodic benefit cost	(58)	191
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	3	6
Interest cost	145	119
Amortization of prior service cost	25	25
Amortization of Net Loss	88	63
Net periodic benefit cost	$ 261	$ 213