Investments - Additional Information (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Debt Securities, Available-for-sale [Line Items] | ||
| Available-for-sale investments | $ 0 | |
| Realized gains or losses | $ 0 | |
| Maximum | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Realized gains or losses | $ 100,000 | |