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Fair Value Measurements - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Company
Mar. 31, 2020
USD ($)
Fair Value Disclosures [Abstract]    
Fair value of future expected acquisition-related contingent consideration obligations $ 0.8 $ 0.9
Number of companies acquired | Company 3  
Business acquisition, total consideration $ 5.5  
Business acquisition, consideration in cash 2.0  
Business acquisition, deferred payments 1.5  
Business acquisition, stock 1.2  
Business acquisition, future earn outs $ 0.8