Income Taxes - (Tables)

9 Months Ended

Sep. 30, 2015

Income Taxes [Abstract]

Schedule of effective tax rate [Table Text Block]

The following table provides details of income taxes:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2015			2014			2015			2014
Income (loss) before income taxes	$	10,880		$	2,835		$	22,633		$	(9,201	)
Provision (benefit) for income taxes	$	3,682		$	3,833		$	7,560		$	(3,067	)
Effective tax rate	33.8		%	135.2		%	33.4		%	33.3		%