Stock Options and Restricted Stock - Summary of Activity for Stock Option Programs (Parenthetical) (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] | |||
| Aggregate intrinsic value for option exercised | $ 0.1 | $ 0.1 | $ 0.3 |
| Aggregate intrinsic value of option outstanding | $ 2.9 | $ 2.9 | |
| Remaining contractual life of option outstanding | 3 years 8 months 12 days |