Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Additional Information (Detail)

v3.20.2
Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract]    
Goodwill, impairment loss $ 0  
Other intangible assets, impairment loss 0  
Net carrying amount of goodwill and other intangible assets $ 135,026,000 $ 72,277,000