Convertible Senior Notes (Tables)

3 Months Ended

Mar. 31, 2020

Debt Instrument [Line Items]

Summary of convertible notes outstanding

Liability component:
Principal	$	143,750
Less: unamortized debt discount and issuance costs		(49,367)
Net carrying amount	$	94,383
Equity component, net of issuance costs of $1,773	$	44,777

Schedule of total interest expense recognized related to the convertible notes

	Three months ended March 31,
	2020
Contractual interest expense	$	503
Amortization of debt discount		818
Amortization of debt issuance costs		65
Total interest expense	$	1,386

Convertible senior notes

Debt Instrument [Line Items]

Schedule of principal repayments of debt

As of March 31, 2020, the future minimum payments on the convertible notes were as follows:

Years ended December 31,	Future Minimum Payments
2020	$	1,939
2021		3,826
2022		3,826
2023		3,826
2024		3,836
Thereafter		149,504
Total minimum payments	$	166,757
Less: interest		(23,007)
Less: unamortized debt discount and issuance costs		(49,367)
Convertible senior notes	$	94,383