Investments - Schedule of equity investments (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Debt and Equity Securities, FV-NI [Line Items] | |||||
| Additions | $ 400 | $ 12,029 | |||
| Proceeds | (50) | (29,824) | |||
| Transfers and other | 142 | 0 | |||
| Level 1 | |||||
| Debt and Equity Securities, FV-NI [Line Items] | |||||
| Beginning | $ 0 | $ 2,499 | 0 | $ 2,001 | 2,001 |
| Proceeds | 0 | (1,512) | 0 | (1,652) | |
| Fair value adjustments | 0 | (481) | 0 | 158 | |
| Transfers and other | 0 | 1 | 0 | 0 | |
| Ending | 0 | 507 | 0 | 507 | 0 |
| Level 3 | |||||
| Debt and Equity Securities, FV-NI [Line Items] | |||||
| Beginning | 36,487 | 25,953 | 36,487 | 25,953 | 25,953 |
| Additions | 400 | 0 | 400 | 0 | |
| Ending | $ 36,887 | $ 25,953 | $ 36,887 | $ 25,953 | $ 36,487 |