Pension Liability (Tables)

6 Months Ended

Jun. 30, 2016

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status [Table Text Block]

The net pension liability is included in Other long-term liabilities in our balance sheet as follows:

	June 30,		December 31,
	2016		2015
Pension liability	$	16,342	$	17,789

Schedule of Net Benefit Costs [Table Text Block]

The components of the net periodic pension expense for the three and six months endedJune 30, 2016 and 2015 were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Net periodic (benefit) expense:
Expected return on plan assets	$	(132	)	$	(165	)	$	(264	)	$	(328	)
Interest cost	256			329			512			654
Amortization of actuarial gains and losses	88			—			175			—
Net periodic expense	$	212		$	164		$	423		$	326