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Convertible Senior Notes - Summary of Components of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Amortization of discount	$ 0	$ 4,571
Amortization of debt issuance costs	1,038	849
Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Contractual coupon interest	359	359
Amortization of discount	0	4,571
Amortization of debt issuance costs	$ 764	$ 575

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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