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Convertible Senior Notes - Narrative (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended | 36 Months Ended |  |
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Mar. 31, 2021 USD ($) shares | Aug. 31, 2020 USD ($) | Apr. 30, 2019 USD ($) | Apr. 30, 2018 trading_day | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2022 USD ($) $ / shares shares | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repayments of convertible senior notes |  |  |  |  | $ 401,203 | $ 300,762 | $ 303,967 |  |  |
(Gain)/loss on early extinguishments of debt |  |  |  |  | (93,519) | 78,152 | 4,286 |  |  |
Equity component of 2025/2026 convertible senior notes, net of issuance costs |  |  |  |  |  |  | 237,462 |  |  |
Proceeds from exercise of convertible senior notes capped call |  |  |  |  | 0 | 69,005 | 77,095 |  |  |
Senior Notes | Sale Price Is Greater Or Equal 130% |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold trading days | trading_day |  |  |  | 20 |  |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  | 30 |  |  |  |  |  |
Threshold percentage of stock price trigger |  |  |  | 130.00% |  |  |  |  |  |
Senior Notes | Trading Price Per $1,000 Principal Amount Less Than 98% |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold trading days | trading_day |  |  |  | 5 |  |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  | 10 |  |  |  |  |  |
Senior Notes | Trading Price Per $1,000 Principal Amount Less Than 98% | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold percentage of stock price trigger |  |  |  | 98.00% |  |  |  |  |  |
Senior Notes | Fundamental Change Scenario |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold percentage of stock price trigger |  |  |  | 100.00% |  |  |  |  |  |
2026 Notes | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Face value |  | $ 1,000,000 |  |  | 500,000 | 1,000,000 |  | $ 500,000 |  |
Interest rate, stated percentage |  | 0.00% |  |  |  |  |  |  |  |
Principal amount |  | $ 1,000,000 |  |  |  |  |  |  |  |
Repurchased face amount |  |  |  |  | 500,000 |  |  | $ 500,000 |  |
Repayments of convertible senior notes |  |  |  |  | 399,900 |  |  |  |  |
Extinguishment incurred |  |  |  |  | 1,300 |  |  |  |  |
Total consideration |  |  |  |  | 401,200 |  |  |  |  |
Debt extinguished |  |  |  |  | 494,700 |  |  |  |  |
(Gain)/loss on early extinguishments of debt |  |  |  |  | $ (93,500) |  |  |  |  |
Conversion ratio |  | 0.0092978 |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 107.55 |  |  | $ 107.55 |  |
2026 Notes | Senior Notes | Capped Call |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible (in shares) | shares |  |  |  |  | 9,297,800 |  |  | 9,297,800 |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 156.44 |  |  | $ 156.44 |  |
0% Convertible Senior Notes Due 2026, Additional Notes | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Face value |  | $ 100,000 |  |  |  |  |  |  |  |
2025 Notes | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Face value |  |  |  |  | $ 699,979 | 699,982 |  | $ 699,979 | $ 700,000 | $ 700,000
Interest rate, stated percentage |  |  |  |  |  |  |  |  | 0.125% | 0.125%
Option to purchase additional notes |  |  | $ 100,000 |  |  |  |  |  |  |
Principal amount |  |  | $ 800,000 |  |  |  |  |  |  |
Repurchased face amount |  |  |  |  |  | 100,000 |  |  |  |
Repayments of convertible senior notes | $ 184,900 |  |  |  |  |  |  |  |  |
Debt extinguished | 100,000 |  |  |  |  |  |  |  |  |
(Gain)/loss on early extinguishments of debt | (78,200) |  |  |  |  |  |  |  |  |
Carrying amount | 98,300 |  |  |  |  |  |  |  |  |
Derivative liability | 176,500 |  |  |  |  |  |  |  |  |
Gain (loss) in change in fair value | $ 8,400 |  |  |  |  |  |  |  |  |
Conversion ratio |  |  | 0.0193956 |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 51.56 |  |  | $ 51.56 |  |
2025 Notes | Senior Notes | Capped Call |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible (in shares) | shares |  |  |  |  | 13,576,513 |  |  | 13,576,513 |  |
Debt instrument, convertible, shares terminated (in shares) | shares | 1,939,560 |  |  |  |  |  |  |  |  |
Proceeds from exercise of convertible senior notes capped call | $ 23,900 |  |  |  |  |  |  |  |  |
Derivative liability | 22,600 |  |  |  |  |  |  |  |  |
Gain (loss) in change in fair value | $ 1,300 |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 79.32 |  |  | $ 79.32 |  |
2023 Notes | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchased face amount |  |  |  |  |  | $ 57,400 | $ 57,400 |  |  |
Repayments of convertible senior notes |  |  |  |  |  |  |  | $ 734,400 |  |
2023 Notes | Senior Notes | Capped Call |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, shares terminated (in shares) | shares |  |  |  |  |  | 4,288,459 | 6,380,815 |  |  |
Proceeds from exercise of convertible senior notes capped call |  |  |  |  |  | $ 45,200 | $ 57,400 |  |  |
2023 Notes | Senior Notes | Extinguishment Of Aggregate Principal Amount |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  | 0.25% |  |  |  |
Repurchased face amount |  |  |  |  |  | $ 115,600 | 57,400 |  |  |
Repayments of convertible senior notes |  |  |  |  |  | 115,600 |  |  |  |
(Gain)/loss on early extinguishments of debt |  |  |  |  |  |  | 1,000 |  |  |
Aggregate consideration |  |  |  |  |  | 351,100 |  |  |  |
Debt conversion, shares issued, value |  |  |  |  |  | 235,500 |  |  |  |
Carrying amount |  |  |  |  |  | 114,200 | $ 51,600 |  |  |
Equity component of 2025/2026 convertible senior notes, net of issuance costs |  |  |  |  |  | 236,900 |  |  |  |
Debt instrument, convertible, shares terminated (in shares) | shares |  |  |  |  |  |  | 2,131,354 |  |  |
Proceeds from exercise of convertible senior notes capped call |  |  |  |  |  |  | $ 19,700 |  |  |
Aggregate consideration for principal amount exchanged |  |  |  |  |  |  | 149,600 |  |  |
Convertible senior notes |  |  |  |  |  |  | 52,600 |  |  |
Debt instrument, equity component |  |  |  |  |  |  | 97,000 |  |  |
2023 Notes | Senior Notes | Requests For Conversions |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchased face amount |  |  |  |  |  | 24,700 |  |  |  |
2023 Notes | Senior Notes | Election Of Option To Redeem Outstanding Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchased face amount |  |  |  |  |  | $ 90,900 |  |  |  |
2023 Notes | Senior Notes | Exchange Of Aggregate Principal Amount |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchased face amount |  |  |  |  |  |  | 172,000 |  |  |
Repayments of convertible senior notes |  |  |  |  |  |  | 174,600 |  |  |
(Gain)/loss on early extinguishments of debt |  |  |  |  |  |  | $ 3,300 |  |  |
Debt conversion, shares issued (in shares) | shares |  |  |  |  |  | 2,983,011 | 4,182,320 |  |  |
Debt conversion, shares issued, value |  |  |  |  |  |  | $ 327,100 |  |  |
Carrying amount |  |  |  |  |  |  | 152,800 |  |  |
Aggregate consideration for principal amount exchanged |  |  |  |  |  |  | 501,700 |  |  |
Convertible senior notes |  |  |  |  |  |  | 156,100 |  |  |
Debt instrument, equity component |  |  |  |  |  |  | $ 345,600 |  |  |

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