Employee Benefit Plans (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Service cost	$ 272	$ 295
Interest cost	331	327
Expected return on plan assets	(391)	(357)
Amortization of prior service cost and actuarial expense	92	30
Net periodic pension cost	304	295
Amortization of prior service cost	31	31
Amortization of net loss	381	852
Total recognized in other comprehensive (income) loss	(412)	(883)
Total recognized in net periodic benefit cost and other comprehensive income	$ 716	$ 1,178