Income Taxes - (Tables)

3 Months Ended

Mar. 31, 2016

Income Taxes [Abstract]

Schedule of effective tax rate [Table Text Block]

The following table provides details of income taxes:

	Three Months Ended
	March 31,
	2016			2015
Income before income taxes	$	19,561		$	3,097
Provision for income taxes	$	5,622		$	1,249
Effective tax rate	28.7		%	40.3		%