Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The following table sets forth the components of net periodic pension expense for the three months ended March 31, 2012 and 2011:

	Three Months Ended March 31,
	2012			2011
Interest cost	$	552		$	603
Expected return on plan assets	(662		)	(644		)
Amortization of net loss	243			91
Total pension expense	$	133		$	50