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Financing and Other Debt - Schedule of Total Interest Expense for Convertible Note (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jul. 01, 2020
Debt Instrument [Line Items]
Operating interest			$ 1,400
Convertible Debt | Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Interest on 6.5 percent coupon	$ 5,038	$ 4,982	15,113	$ 4,982
Amortization of debt discount and debt issuance costs	512	1,674	1,566	1,674
Operating interest	$ 5,550	$ 6,656	$ 16,679	$ 6,656
Interest rate, stated percentage	0.065%		0.065%		6.50%

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

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Contractual interest rate for funds borrowed, under the debt agreement.

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