Fair Value of Financial Assets and Liabilities - Narrative (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration, fair value	$ 23,108	$ 21,768
Undiscounted value of the payments on all contingencies	30,000	30,400
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Alternative to equity securities	$ 136,800	$ 136,100