Employee Benefit Plans (Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Employee Benefit Plans [Abstract]
Interest cost	$ 105	$ 130	$ 209	$ 239
Expected return on plan assets	(247)	(156)	(494)	(300)
Service costs	15	11	30	24
Net loss amortization	87	62	179	163
Net periodic pension cost	$ (40)	$ 47	$ (76)	$ 126