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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]        
Impairment charges on other intangible assets $ 0 $ 0 $ 0 $ 0
Intangible asset amortization expense $ 6,400,000 $ 3,300,000 $ 18,700,000 $ 11,900,000