Fair Value Measurements, Equity Investments and Other Financial Instruments - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2022 |
Mar. 31, 2022 |
Dec. 31, 2020 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2018 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||
| Certificates of deposits maturity period | 3 months | ||||||
| Equity investment | $ 0.0 | $ 25.4 | $ 13.8 | $ 13.3 | $ 45.8 | ||
| Upward adjustments | $ 15.1 | 0.0 | 0.0 | 6.6 | |||
| Impairments or downward adjustments | $ 16.1 | $ 15.5 | 0.0 | 31.6 | 0.0 | ||
| Equity investments, cumulative upward price adjustment | 21.7 | 21.7 | |||||
| Equity investment, cumulative downward adjustment | $ 31.6 | $ 31.6 | |||||
| Common Stock | |||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||
| Equity investment | 31.6 | ||||||
| Additional investment | $ 9.0 | $ 7.5 | |||||