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Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Debt Instrument
Amortization of debt discount and issuance costs	$ 8,471	$ 0
Interest expense	12,568	1,507
Convertible Senior Notes Due 2025 | Convertible Debt
Debt Instrument
Contractual interest expense related to the 2025 Notes	2,803	0
Amortization of debt discount and issuance costs	8,471	0
Master Vehicle Loan
Debt Instrument
Interest expense related to vehicle loans	$ 1,294	$ 1,507

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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