Pension (Schedule Of Net Periodic Pension Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Pension [Abstract]
Service cost	$ 92	$ 84	$ 284	$ 253
Interest cost	172	194	522	585
Expected return on plan assets	(296)	(291)	(888)	(872)
Recognized net actuarial loss	123	80	377	243
Net period cost	$ 91	$ 67	$ 295	$ 209	$ 276