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Convertible Senior Notes - Narrative (Details) |  | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 15, 2022 | Aug. 31, 2022 USD ($) | Jan. 31, 2021 USD ($) | Apr. 30, 2020 USD ($) | May 31, 2018 USD ($) trading_day $ / shares shares | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) option | Dec. 31, 2021 USD ($) option shares | Dec. 31, 2020 USD ($) $ / shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Loss (gain) on debt extinguishment |  |  |  |  |  |  | $ (4,192,000) | $ 7,303,000 | $ 2,466,000
Reduction to additional paid in capital |  |  |  |  |  |  |  | 12,407,000 | $ 3,236,000
Exercise price of warrants (USD per share) | $ / shares |  |  |  |  |  |  |  |  | $ 1.50
Warrant derivative |  |  |  |  |  |  | (200,000) | (500,000) |
Payments to unwind warrants |  |  |  |  |  |  |  | 18,400,000 |
Proceeds from unwinding convertible bond hedges |  |  |  |  |  |  | $ 200,000 | $ 18,900,000 |
Number of options under convertible bond hedges | option |  |  |  |  |  |  | 370,219 | 598,021 |
2023 Convertible Senior Notes | Convertible Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Principal amount of 2023 Notes outstanding |  |  |  |  | $ 750,000,000 |  | $ 76,854,000 | $ 343,301,000 |
Interest on debt instrument (as a percent) |  |  |  |  | 0.75% |  |  |  |
Net proceeds from debt issuance |  |  |  |  | $ 733,100,000 |  |  |  |
Debt conversion price per share (USD per share) | $ / shares |  |  |  |  | $ 206.65 |  |  |  |
Convertible debt conversion ratio | 0.004893 |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | $ 16,900,000 |  |  |  |
Debt issuance costs related to the liability component of convertible debt |  |  |  |  | $ 13,700,000 |  |  |  |
Effective rate (as a percent) |  |  |  |  |  |  | 0.50% |  |
Amortization period |  |  |  |  |  |  | 5 years |  |
Interest expense |  |  |  |  |  |  | $ 1,800,000 |  |
Contractual interest expense |  |  |  |  |  |  | 1,100,000 |  |
Amortization issuance costs |  |  |  |  |  |  | 700,000 |  |
Repurchased amount of debt instrument |  |  | $ 20,300,000 | $ 234,400,000 |  |  | 266,400,000 | 152,000,000 |
Repayments of notes |  |  | 19,100,000 | 203,800,000 |  |  | 261,400,000 | 156,000,000 |
Accrued interest portion of repurchased amount of debt instrument |  |  | $ 100,000 | $ 600,000 |  | $ 400,000 | 500,000 | 300,000 |
Loss (gain) on debt extinguishment |  |  |  |  |  |  | (4,200,000) | 7,300,000 |
Reduction in debt discount |  |  |  |  |  |  | 1,300,000 | 13,700,000 |
Reduction to additional paid in capital |  |  |  |  |  |  |  | 10,200,000 |
Outstanding principal amount of debt |  |  |  |  |  |  | $ 76,900,000 | $ 343,300,000 |
Warrants issued in public offering (shares) | shares |  |  |  |  | 3,018,327 |  |  | 2,559,254 |
Payments for convertible bond hedges |  |  |  |  | $ 140,300,000 |  |  |  |
Exercise price of warrants (USD per share) | $ / shares |  |  |  |  | $ 315.38 |  |  |  |
Warrant derivative |  |  |  |  | $ (90,000,000) |  |  |  |
2023 Convertible Senior Notes | Convertible Notes | Notes Repurchased During Current Period, Two |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Repayments of notes |  | $ 223,700,000 |  |  |  |  |  |  |
Repurchased amount |  | $ 227,800,000 |  |  |  |  |  |  |
2023 Convertible Senior Notes | Convertible Notes | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt conversion price per share (USD per share) | $ / shares |  |  |  |  | $ 158.97 |  |  |  |
Convertible debt conversion ratio | 0.0062907 |  |  |  |  |  |  |  |
2023 Convertible Senior Notes | Convertible Notes | Redemption Period One |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | trading_day |  |  |  |  | 20 |  |  |  |
Number of consecutive trading days | trading_day |  |  |  |  | 30 |  |  |  |
Stock price trigger to classify convertible debt as current (as a percent) |  |  |  |  | 130.00% |  |  |  |
2023 Convertible Senior Notes | Convertible Notes | Redemption Period Two |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Number of trading days | trading_day |  |  |  |  | 5 |  |  |  |
Number of consecutive trading days | trading_day |  |  |  |  | 10 |  |  |  |
Maximum threshold of debt trading price trigger (as a percent) |  |  |  |  | 98.00% |  |  |  |

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