Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Intangible assets:
Amortization of intangibles	$ 58,441	$ 39,457	$ 38,056
Goodwill	$ 602,970	$ 598,499	$ 373,764
Non-compete agreements
Intangible assets:
Intangible asset useful life	3 years
Minimum | Customer relationships
Intangible assets:
Intangible asset useful life	7 years
Minimum | Developed technology
Intangible assets:
Intangible asset useful life	3 years
Minimum | Trade names
Intangible assets:
Intangible asset useful life	2 years
Maximum | Customer relationships
Intangible assets:
Intangible asset useful life	12 years
Maximum | Developed technology
Intangible assets:
Intangible asset useful life	10 years
Maximum | Trade names
Intangible assets:
Intangible asset useful life	5 years