Employee Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 155	$ 190	$ 309	$ 380
Interest cost	381	336	762	672
Expected return on plan assets	(571)	(557)	(1,226)	(1,114)
Amortization of prior service cost	(1)	(1)	(1)	(2)
Amortization of Net Loss	1	223	64	447
Net periodic benefit cost	(35)	191	(92)	383
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	6	7	12
Interest cost	144	119	289	238
Amortization of prior service cost	25	25	50	50
Amortization of Net Loss	(1)	63	87	126
Net periodic benefit cost	$ 172	$ 213	$ 433	$ 426