Financial instruments and fair value measurements - Investments in fixed maturity securities (Details) - USD ($) $ in Thousands |
Mar. 31, 2022 |
Dec. 31, 2021 |
---|---|---|
Financial instruments and fair value measurements | ||
Amortized Cost | $ 342,920 | $ 302,950 |
Gross Unrealized Gains | 3 | |
Gross Unrealized Losses | (2,582) | (602) |
Fair Value | 340,341 | 302,348 |
U.S. Treasury | ||
Financial instruments and fair value measurements | ||
Amortized Cost | 104,173 | 80,052 |
Gross Unrealized Losses | (1,427) | (300) |
Fair Value | 102,746 | 79,752 |
Corporate bonds | ||
Financial instruments and fair value measurements | ||
Amortized Cost | 238,747 | 222,898 |
Gross Unrealized Gains | 3 | |
Gross Unrealized Losses | (1,155) | (302) |
Fair Value | $ 237,595 | $ 222,596 |