Supplemental Cash Flow Information (in thousands) (Tables)

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Year ended December 31,
	2015		2014 (as Restated)		2013
Interest and taxes paid:
Interest paid	$	54,763	$	31,413	$	4,320
Income taxes paid	$	34,404	$	6,294	$	27,450