Borrowings (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of Future Minimum Payments under the Loans Payable

Future minimum payments under outstanding borrowings as of September 30, 2016 are as follows:

(in thousands)	Convertible Notes			2022 Notes
Remainder of 2016	$	—		$	10,063
2017		2,736			20,125
2018		2,736			20,125
2019		2,736			62,617
2020 and thereafter		63,527			157,664
Total		71,735			270,594
Less interest		(10,943	)		(95,594	)
Less unamortized discount		(14,820	)		(5,286	)
Less current portion		—			—
Long-term debt	$	45,972		$	169,714