Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The fair value hierarchy for our financial assets accounted for at fair value on a recurring basis at December 31, 2014 and 2013 was as follows: (in thousands):



	As of December 31, 2014
	Level 1		Level 2			Level 3		Total
Assets
Interest rate derivatives	$	—	$	24		$	—	$	24
Commodity derivatives	—		456			—		456
Total assets	—		480			—		480
Liabilities
Commodity Derivatives	—		(61		)	—		(61		)
Net Assets	$	—	$	419		$	—	$	419



	As of December 31, 2013
	Level 1		Level 2		Level 3		Total
Assets
Interest rate derivatives	$	—	$	116	$	—	$	116