Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

The following table sets forth the components of net periodic pension expense as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Interest cost	$	528		$	552		$	1,584		$	1,656
Expected return on plan assets	(676		)	(662		)	(2,028		)	(1,986		)
Amortization of net loss	337			244			1,011			731
Total net periodic pension expense	$	189		$	134		$	567		$	401