Cash, Cash Equivalents and Short-Term Investments - Equity Investments (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
---|---|---|
Jun. 30, 2021 |
Dec. 31, 2020 |
|
Cash, Cash Equivalents and Short-Term Investments | ||
Net losses recognized during the six months ended June 30 on equity securities | $ (156) | $ (468) |
Less: net gains (losses) recognized during the year on equity securities sold during the period | (805) | |
Unrealized gains (losses) recognized during the six months on equity securities still held at June 30, 2021 and 2020 | $ (156) | $ 337 |