Convertible Notes Payable (Tables)

6 Months Ended

Jun. 30, 2018

Schedule of outstanding balances of convertible notes

The outstanding balances of the Convertible Notes as of June 30, 2018 consisted of the following (in thousands):



	2024 Convertible Notes
Liability component:
Principal	$	305,000
Less: debt discount and issuance costs, net	(132,326		)
Net carrying amount	$	172,674
Equity component:	$	134,450

Schedule of interest expense recognized related to convertible notes

The following table sets forth total interest expense recognized related to the Convertible Notes during the three and six months ended June 30, 2018 and 2017 (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Contractual interest expense	$	2,293	$	—	$	4,580	$	—
Amortization of debt discount	3,267		—		6,425		—
Amortization of debt issuance costs	123		—		243		—
Total interest expense	$	5,683	$	—	$	11,248	$	—

Schedule of future minimum payments on long-term debt

Future minimum payments on the Company's long-term debt as of June 30, 2018 are as follows (in thousands):



Years ended December 31,	Future Minimum Payments
2018	$	4,575
2019	9,150
2020	9,150
2021	9,150
2022	9,150
2023 and Thereafter	323,300
Total minimum payments	$	364,475
Less: interest	(59,475		)
Less: unamortized discount	(132,326		)
Less: current portion	—
Long Term Debt	$	172,674