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Financing Arrangements - Narrative (Details) |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 30, 2020 USD ($) | Jun. 17, 2020 USD ($) | Jun. 10, 2020 USD ($) | Mar. 31, 2021 USD ($) claim $ / shares | Mar. 31, 2020 USD ($) | Mar. 31, 2021 £ / shares | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Proceeds from long-term debt obligations |  |  |  | $ 0 | $ 162,899,000 |  |
Minimum pro rata net revenue |  |  |  | 550,000,000 |  |  |
Amortization of debt issuance costs |  |  |  | $ 4,409,000 | $ 543,000 |  |
Capped Call |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Derivative, cap price per share | $ / shares |  |  |  | $ 100.00 |  |  |
Derivative asset |  |  |  | $ 84,900,000 |  |  |
Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (percent) |  |  |  | 9.95% |  |  |
Debt instrument, face amount |  | $ 287,500,000 |  |  |  |  |
Proceeds from long-term debt obligations |  | 278,000,000.0 |  |  |  |  |
Debt discounts and issuance costs |  | $ 82,000,000.0 |  |  |  |  |
Amortization of debt issuance costs |  |  |  | $ 3,100,000 |  |  |
Unamortized discount (premium), net |  |  |  | $ 72,400,000 |  |  |
Interest rate, stated percentage |  | 3.00% |  | 3.00% |  |  |
Unamortized discount |  | $ 75,000,000.0 |  |  |  |  |
Debt issuance costs, net |  | $ 7,000,000.0 |  |  |  |  |
Debt Instrument, Redemption, Threshold Par Value | £ / shares |  |  |  |  |  | £ 1.00 |
Redemption, threshold trading days | claim |  |  |  | 20 |  |  |
Redemption, threshold consecutive trading days | claim |  |  |  | 30 |  |  |
Redemption price, percentage of exchange price |  |  |  | 130.00% |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  | $ 79.27 |  |  |
Option to exchange, price per share | $ / shares |  |  |  | $ 60.98 |  |  |
Redemption price, percentage |  |  |  | 100.00% |  |  |
Fair value of embedded derivative liability |  |  |  | $ 148,100,000 |  |  |
Debt instrument, exchangeable, conversion ratio |  |  |  | 0.016398 |  |  |
Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (percent) |  |  |  | 9.05% |  |  |
Debt instrument, face amount |  |  | $ 450,000,000.0 |  |  |  |
Long-term debt, term |  |  | 5 years |  |  |  |
Proceeds from long-term debt obligations |  |  | $ 421,500,000 |  |  |  |
Minimum net revenue |  |  |  | $ 700,000,000 |  |  |
Debt discounts and issuance costs |  |  | $ 28,500,000 |  |  |  |
Amortization of debt issuance costs |  |  |  | 1,200,000 |  |  |
Unamortized discount (premium), net |  |  |  | $ 24,800,000 |  |  |
Secured Debt | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
LIBOR floor rate |  |  |  | 1.00% |  |  |
Debt instrument, basis spread on variable rate |  |  |  | 6.50% |  |  |
Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Short-term debt |  |  |  | $ 4,100,000 |  |  | $ 5,000,000.0
Revolving Credit Facility 2020 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Finance contract, borrowing base | $ 50,000,000.0 |  |  |  |  |  |
Revolving Credit Facility 2020 | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
LIBOR floor rate | 1.00% |  |  |  |  |  |
Debt instrument, basis spread on variable rate | 5.00% |  |  |  |  |  |
Revolving Credit Facility 2020 | ABR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
LIBOR floor rate | 2.00% |  |  |  |  |  |
Debt instrument, basis spread on variable rate | 4.00% |  |  |  |  |  |
Minimum | Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (percent) |  |  |  | 3.06% |  |  |
Maximum | Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (percent) |  |  |  | 7.65% |  |  |
Debt instrument, term |  |  |  | 365 days |  |  |

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