Guarantees (Tables)

12 Months Ended

Dec. 31, 2015

Guarantees [Abstract]

Parental guaranteed obligations

As of December 31, 2015, parental guaranteed obligations are approximately as follows (in thousands):

	2016		2017		2018		2019		Thereafter		Total
Commodity purchases	$	15,855		-		-		-		-	$	15,855
Letters of credit		1,000		-		-		-		-		1,000
	$	16,855	$	-	$	-	$	-	$	-	$	16,855