Goodwill and Identifiable Intangible Assets, Net - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment loss	$ 0	$ 0	$ 0
Amortization expense of intangible assets acquired	$ 37,500,000	$ 28,900,000	$ 15,700,000