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v3.21.1

Long‑Term Debt - Convertible Notes Narrative (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 26, 2021 USD ($) share_rate day $ / shares | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |
Payments of debt issuance costs |  | $ 3,777 | $ 0
2026 Notes | Convertible Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, face amount | $ 690,000 |  |
Debt instrument, interest rate, stated percentage | 0.125% |  |
Payments of debt issuance costs | $ 18,055 |  |
Payments of expenses associated with initial public offering | 25,530 |  |
Repayment of credit facility | $ 250,500 |  |
Debt instrument, convertible, threshold percentage of stock price trigger | 130.00% |  |
Debt instrument, convertible, threshold trading days | day | 20 |  |
Debt instrument, convertible, threshold consecutive trading days | day | 30 |  |
Debt instrument, redemption price, percentage | 98.00% |  |
Debt instrument, convertible, number of equity instruments, conversion rate | share_rate | 15.5925 |  |
Debt instrument, convertible, conversion price (USD per share) | $ / shares | $ 64.13 |  |
Number of trading days after maturity date, debt redeemable | 40 days |  |
Weighted average interest rate over time |  | 0.658% |
2026 Notes | Convertible Debt | Accounts Payable |  |  |
Debt Instrument [Line Items] |  |  |
Payments of debt issuance costs |  | $ 555 |
2026 Notes | Convertible Debt | Accrued Liabilities Current |  |  |
Debt Instrument [Line Items] |  |  |
Payments of debt issuance costs |  | $ 50 |
2026 Notes | Convertible Debt | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Share price threshold, adjustment to conversion rate (USD per share) | $ / shares | $ 44.23 |  |
2026 Notes | Convertible Debt | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, number of equity instruments, conversion rate | share_rate | 22.6090 |  |
Share price threshold, adjustment to conversion rate (USD per share) | $ / shares | $ 210.00 |  |
Debt covenant, percent of note holders threshold by amount of principal outstanding | 25.00% |  |
2026 Notes | Convertible Debt | Debt Conversion Terms One |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, threshold trading days | day | 20 |  |
Debt instrument, convertible, threshold consecutive trading days | day | 30 |  |
2026 Notes | Convertible Debt | Debt Conversion Terms Two |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, threshold consecutive business days | day | 5 |  |
Debt instrument, convertible, threshold consecutive trading days, after threshold consecutive business days | day | 10 |  |

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