Goodwill and Net Intangibles, Net - Impairment charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite lived intangible assets
Impairment charge	$ 31,892	$ 0
Technology
Finite lived intangible assets
Impairment charge	15,369
Customer relationships
Finite lived intangible assets
Impairment charge	14,803
Trade names
Finite lived intangible assets
Impairment charge	$ 1,720
Adjustments | Technology
Finite lived intangible assets
Useful life (in years)	8 years
Minimum
Finite lived intangible assets
Useful life (in years)	3 years
Minimum | Technology
Finite lived intangible assets
Useful life (in years)	6 years
Minimum | Customer relationships
Finite lived intangible assets
Useful life (in years)	11 years
Minimum | Trade names
Finite lived intangible assets
Useful life (in years)	3 years
Minimum | Adjustments | Customer relationships
Finite lived intangible assets
Useful life (in years)	5 years
Minimum | Adjustments | Trade names
Finite lived intangible assets
Useful life (in years)	2 years
Maximum
Finite lived intangible assets
Useful life (in years)	10 years
Maximum | Technology
Finite lived intangible assets
Useful life (in years)	8 years
Maximum | Customer relationships
Finite lived intangible assets
Useful life (in years)	18 years
Maximum | Trade names
Finite lived intangible assets
Useful life (in years)	5 years
Maximum | Adjustments | Customer relationships
Finite lived intangible assets
Useful life (in years)	6 years
Maximum | Adjustments | Trade names
Finite lived intangible assets
Useful life (in years)	6 years