Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table summarizes information about the net carrying amounts of long-term debt as of December 31, 2021:

(in thousands)	2024 Notes		2026 Notes		2027 Notes		Total
Principal amount of notes outstanding	$	13,750	$	120,000	$	265,000	$	398,750
Unamortized discount and unamortized debt issuance cost	(1,904)		(21,853)		(69,148)		(92,905)
Total notes payable	$	11,846	$	98,147	$	195,852	$	305,845

The following table summarizes information about the net carrying amounts of long-term debt as of December 31, 2020:

(in thousands)	2024 Notes		2026 Notes		Total
Principal amount of notes outstanding	$	13,750	$	120,000	$	133,750
Unamortized discount and unamortized debt issuance cost	(2,619)		(25,986)		(28,605)
Total notes payable	$	11,131	$	94,014	$	105,145

Summary Of Equity and Liability Components of the Notes

The following table summarizes interest expense recognized on the Senior Notes:

	Year Ended December 31,
(in thousands)	2021		2020
Contractual interest expense	$	9,420	$	4,026
Amortization of debt issuance costs and discount	8,726		4,355
Total interest expense	$	18,146	$	8,381

Schedule of Maturities of Long-term Debt

The following table summarizes the future principal payments for the subordinated promissory note and Senior Notes as of December 31, 2020 (in thousands):

2022	$	705
2023	—
2024	13,750
2025	—
2026	120,000
Thereafter	265,000
Total	$	399,455