Investments - Summary of Proceeds Received and The Gross Realized Gains and Losses From Sales of Equity Securities (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Debt and Equity Securities, FV-NI [Line Items] | ||||
| Proceeds | $ 35,173 | $ 21,621 | ||
| Equity Securities [Member] | ||||
| Debt and Equity Securities, FV-NI [Line Items] | ||||
| Proceeds | $ 20,099 | $ 12,079 | 35,173 | 21,621 |
| Gross Realized Gains | 1,619 | 508 | 2,375 | 1,839 |
| Gross Realized Losses | $ (395) | $ (367) | $ (666) | $ (551) |