Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Detail)

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Fair Value Measurements - Narrative (Detail) - USD ($)
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value, assets, level 3 transfers, amount $ 0 $ 0  
Contingent and deferred consideration, maximum undiscounted payment $ 16,800,000   $ 21,300,000
Recurring | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Earn-out period for contingent and deferred consideration 1 year    
Recurring | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Earn-out period for contingent and deferred consideration 4 years