Pension (Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Pension [Abstract]
Interest Cost	$ 130	$ 122	$ 239	$ 244
Service cost	11	14	24	28
Expected return on Plan assets	(156)	(156)	(300)	(312)
Amortization of net loss	62	70	163	140
Net periodic benefit cost	$ 47	$ 50	$ 126	$ 100