Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Pension Expense

The following table sets forth the components of net periodic pension expense for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Interest cost	$	552		$	603		$	1,656		$	1,809
Expected return on plan assets	(662		)	(644		)	(1,986		)	(1,932		)
Amortization of net loss	244			91			731			273
Total pension expense	$	134		$	50		$	401		$	150