Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2018

LONG-TERM DEBT AND COMMITMENTS

Schedule of debt

The Company’s indebtedness consists of the following (in thousands):

	Balance as of
	June 30,		December 31,
	2018		2017
Senior secured notes due 2018	$	—	$	6,187
Unamortized discount and debt issuance costs		—		(7)
Senior secured notes due 2018, net		—		6,180
Convertible senior notes due 2020		190,000		250,000
Unamortized discount and debt issuance costs		(838)		(20,497)
Convertible senior notes due 2020, net		189,162		229,503
Senior secured notes due 2024		110,000		—
Unamortized premium and debt issuance costs, net		(3,664)		—
Senior secured notes due 2024, net		106,336		—
Total debt		295,498		235,683
Less current portion		—		5,147
Total long-term debt	$	295,498	$	230,536

Schedule of Maturities of Long-term Debt

Future estimated payments on all of the Company’s indebtedness as of June 30, 2018 are as follows (in thousands):

2018 (remainder)	$	10,710
2019		19,963
2020		206,163
2021		36,131
2022		41,299
Thereafter		55,400
	$	369,666