Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Schedule of Convertible Debt

The following table summarizes the carrying value of the Convertible Notes as of March 31, 2021:

(in thousands)	MARCH 31, 2021		DECEMBER 31, 2020
Gross proceeds	$	316,250	$	316,250
Unamortized debt discount	(96,083)		(101,565)
Unamortized issuance costs	(4,079)		(4,312)
Carrying value	$	216,088	$	210,373

Schedule of Interest Expense of Convertible Debt

The following table summarizes the interest expense recognized related to the Convertible Notes:

	THREE MONTHS ENDED  MARCH 31,
(in thousands)	2021		2020
Stated interest	$	1,186	$	1,193
Amortized debt discount	5,482		4,971
Amortized issuance costs	232		211
Interest Expense	$	6,900	$	6,375