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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]    
Amortization of other intangible assets $ 2,493 $ 2,606
Estimated amortization expense during the remainder of 2017 7,100  
Estimated amortization expense for the year 2018 7,900  
Estimated amortization expense for the year 2019 7,300  
Estimated amortization expense for the year 2020 7,100  
Estimated amortization expense for the year 2021 6,600  
Estimated amortization expense for the year 2022 4,900  
Estimated amortization expense after the year 2022 $ 3,400