Investments - Schedule of unrealized and realized gains (losses) recognized on equity securities (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Investments, Debt and Equity Securities [Abstract] | ||||
| Net gains (losses) recognized during the period | $ 7 | $ (4) | $ (10) | $ 1 |
| Less: Realized net gains (losses) recognized on equity securities sold | 7 | 13 | 3 | 25 |
| Unrealized net gains (losses) recognized on equity securities held | $ 0 | $ (17) | $ (13) | $ (24) |