Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 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 and six months ended June 30, 2012 and 2011:

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Interest cost	$	552		$	603		$	1,104		$	1,206
Expected return on plan assets	(662		)	(644		)	(1,324		)	(1,288		)
Amortization of net loss	244			152			487			182
Total pension expense	$	134		$	111		$	267		$	100