Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Schedule of outstanding debt obligations

Our outstanding debt obligations as of March 31, 2020 and December 31, 2019 consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
2022 Convertible Notes	$	281,038	$	277,034
Total long-term debt	281,038		277,034
Less: current maturities	—		—
Long-term debt, net of current maturities	$	281,038	$	277,034

Schedule of outstanding convertible debt

The outstanding balance of our 2022 Convertible Notes as of March 31, 2020 consisted of the following (in thousands):

	2022 Convertible Notes
Liability component:
Principal	$	320,000
Less: debt discount and issuance costs, net	38,962
Net carrying amount	$	281,038
Gross equity component	$	72,576

Schedule of total interest expense recognized related to the convertible debt

The following table sets forth total interest expense recognized related to the Convertible Notes during the three months ended March 31, 2020 and 2019 (in thousands):

	Three Months Ended March 31,
	2020		2019
Contractual interest expense	$	2,600	$	2,667
Amortization of debt issuance costs	370		354
Amortization of debt discount	3,634		3,429
Total interest expense	$	6,604	$	6,450