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Debt (Tables)
 9 Months Ended
Sep. 30, 2022
Debt Disclosure [Abstract]  
Schedule of Convertible Debt
The following table summarizes the carrying value of the Convertible Notes:
(in thousands)SEPTEMBER 30, 2022DECEMBER 31, 2021
Gross proceeds$316,250 $316,250 
Unamortized debt discount— (78,395)
Unamortized issuance costs(3,662)(3,328)
Carrying value$312,588 $234,527 
Schedule of Interest Expense of Convertible Debt
The following table summarizes the interest expense recognized related to the Convertible Notes:
THREE MONTHS ENDED 
SEPTEMBER 30,		NINE MONTHS ENDED 
SEPTEMBER 30,
(in thousands)2022202120222021
Stated interest$1,186 $1,186 $3,558 $3,558 
Amortized debt discount— 5,915 — 17,091 
Amortized issuance costs458 251 1,357 725 
Interest expense$1,644 $7,352 $4,915 $21,374