Intangibles - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Intangibles [Abstract]
Intangible assets acquired	$ 120,000
Intangible liabilities acquired	$ 12,000
Acquired intangible assets acquired, weighted average useful life	2 years
Acquired intangible liabilities acquired, weighted average useful life	6 years
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets, net	$ (303,722)		$ (305,079)
Intangible liabilities, net	$ (54,913)		$ (54,663)
Accounting Standards Update 2016-12
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible assets, net		$ 39,000
Intangible liabilities, net		$ 6,000