Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Intangible Assets [Line Items]
Impairment of intangible assets	$ 0
Amortization expense of intangible assets	7,300,000	$ 5,900,000
Domain Names
Intangible Assets [Line Items]
Indefinite lived intangible, gross value	$ 400,000		$ 400,000