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v3.20.4

Subsequent Events (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 26, 2021 USD ($) share_rate day $ / shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jan. 25, 2021 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Payment of capped call transaction costs |  | $ 1,373,000 | $ 0 | $ 0 |
Payments of debt issuance costs |  | $ 432,000 | $ 0 | $ 0 |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Capped call transaction, cap price (USD per share) | $ / shares | $ 72.9795 |  |  |  |
Capped call, premium above share price, percentage | 65.00% |  |  |  |
Subsequent Event | 2026 Notes | Convertible Debt |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 690,000,000 |  |  |  |
Debt instrument, interest rate, stated percentage | 0.125% |  |  |  |
Payment of capped call transaction costs | $ 25,530,000 |  |  |  |
Repayment of credit facility | 250,500,000 |  |  |  |
Payments of debt issuance costs | $ 18,030,000 |  |  |  |
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 |  |  |  |
Subsequent Event | 2026 Notes | Convertible Debt | Debt Conversion Terms One |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, convertible, threshold trading days | day | 20 |  |  |  |
Debt instrument, convertible, threshold consecutive trading days | day | 30 |  |  |  |
Subsequent Event | 2026 Notes | Convertible Debt | Debt Conversion Terms Two |  |  |  |  |
Subsequent Event [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 |  |  |  |
Subsequent Event | Revolving Credit Facility | New Credit Facility | Line of Credit |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 850,000,000

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