Income Taxes - Additional information (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Undistributed Earnings of Foreign Subsidiaries | $ 0 | ||
| Uncertain tax positions | 3,900,000 | $ 3,900,000 | $ 0 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | $ 0 |