Borrowings (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Future Minimum Payments under the Loans Payable

Future minimum payments under outstanding borrowings as of December 31, 2015 are as follows:

(in thousands)	Convertible Notes			2022 Notes
2016	$	5,625		$	19,734
2017		5,625			20,125
2018		5,625			20,125
2019		5,625			62,617
2020 and thereafter		130,625			157,664
Total	$	153,125		$	280,265
Less interest		(28,125	)		(105,265	)
Less unamortized discount		(36,505	)		(5,840	)
Less current portion		—			—
Long-term debt, net of current portion	$	88,495		$	169,160