Long Term Debt Long Term Debt (Tables)

3 Months Ended

Mar. 31, 2017

Long-term Debt, Unclassified [Abstract]

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

Long-term debt as of March 31, 2017 and December 31, 2016 consists of the following (in thousands):

	March 31, 2017			December 31, 2016
8% Senior Notes	$	247,521		$	247,359
3.25% Convertible Notes	364,141			362,144
Less: Deferred issuance costs	(7,389		)	(7,757		)
Total long-term debt	604,273			601,746
Less: current portion	—			—
Total long-term debt, less current portion	$	604,273		$	601,746