Debt and Capital Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Debt [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Debt at December 31, 2014 and 2013 is summarized in the following table (in thousands):

	December 31, 2014		December 31, 2013
Senior Notes	$	150,000	$	150,000
Credit Facility	206,000		117,000
Capital lease obligations	—		28
Total debt	356,000		267,028
Less - current maturities of long-term debt and capital lease obligations	—		26
Long-term debt and capital lease obligations, net	$	356,000	$	267,002