Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v3.20.1
Fair Value Measurements - Additional Information (Detail)
 3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value, assets, level 3 transfers, amount $ 0 $ 0  
Contingent consideration, maximum undiscounted payment $ 7,000,000.0   $ 7,300,000
Measurement Input, Constant Prepayment Rate [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing Asset, Measurement Input 0.1   0.1
Recurring [Member] | Maximum [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Earn-out period for contingent consideration 7 years    
Recurring [Member] | Minimum [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Earn-out period for contingent consideration 1 year