Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2020

Long-Term Debt

Schedule of convertible notes payable

Total convertible notes payable consisted of the following at (in thousands):

	March 31,		December 31,
	2020		2019
Principal amount of the Notes	$	325,000	$	325,000
Unamortized debt issuance costs		(4,033)		(4,389)
Total convertible notes payable	$	320,967	$	320,611

Schedule of interest expense

Interest expense incurred in connection with the Notes consisted of the following (in thousands):

	Three Months Ended
	March 31,
	2020		2019
Coupon interest at 3.75%	$	3,047	$	3,047
Amortization of debt issuance costs		356		356
Total interest expense on the Notes	$	3,403	$	3,403