Investments and Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Marketable securities | ||
| Investments | $ 0 | |
| Recurring | ||
| Assets: | ||
| Assets | 1,010 | $ 217,009 |
| Recurring | U.S. government money market funds | ||
| Assets: | ||
| Cash equivalents | 1,010 | 217,009 |
| Recurring | Level 1 | ||
| Assets: | ||
| Assets | 1,010 | 217,009 |
| Recurring | Level 1 | U.S. government money market funds | ||
| Assets: | ||
| Cash equivalents | 1,010 | 217,009 |
| Recurring | Level 2 | ||
| Assets: | ||
| Assets | 0 | 0 |
| Recurring | Level 2 | U.S. government money market funds | ||
| Assets: | ||
| Cash equivalents | 0 | 0 |
| Recurring | Level 3 | ||
| Assets: | ||
| Assets | 0 | 0 |
| Recurring | Level 3 | U.S. government money market funds | ||
| Assets: | ||
| Cash equivalents | $ 0 | $ 0 |