Borrowings (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule of Future Minimum Payments under the Loans Payable

Future minimum payments under outstanding borrowings as of March 31, 2016 are as follows:

(in thousands)	Convertible Notes			2022 Notes
Remainder of 2016	$	2,812		$	19,734
2017		5,625			20,125
2018		5,625			20,125
2019		5,625			62,617
2020 and thereafter		130,623			157,664
Total	$	150,310		$	280,265
Less interest		(25,312	)		(105,265	)
Less unamortized discount		(34,494	)		(5,661	)
Less current portion		—			—
Long-term debt	$	90,504		$	169,339