Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Measurements [Abstract]

Schedule of Fair Value Measurements of Assets and Liabilities

	December 31,
	2013		2012
	(in thousands)
Assets:
Current	$	501	$	3,302
Noncurrent		238		211
Total gross fair value		739		3,513
Less: counterparty set-off		(739)		(3,513)
Total net fair value		-		-
Liabilities:
Current	$	29,636	$	10,026
Noncurrent		2,136		3,637
Total gross fair value		31,772		13,663
Less: counterparty set-off		(739)		(3,513)
Total net fair value		31,033		10,150

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

	December 31, 2013					December 31, 2012
	(In thousands)
		Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
8.25% Senior Notes	$	497,355	$	546,338	$	494,911	$	524,600
Senior Credit Facility		130,000		130,000		195,000		195,000
Total	$	627,355	$	676,338	$	689,911	$	719,600