v3.26.3
Investments - Summary of Cost, Gross Unrealized Gains and Losses, and Estimated Fair Value of Equity Securities (Detail) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Cost $ 57,091 $ 61,597
Gross Unrealized Gains 5,222 6,204
Gross Unrealized Losses (3,069) (1,911)
Equity Securities $ 59,244 $ 65,890