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Acquisitions - Schedule of Intangible Assets Value on Purchase Price (Details) - USD ($) $ in Thousands				12 Months Ended
	Jul. 31, 2019	Jan. 07, 2019	May 31, 2018	Dec. 31, 2019
Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				1 year
Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				10 years
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				4 years
Developed Technology | Polaris Alpha
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 84,900
Amortization Period (in years)			4 years
Developed Technology | OGSystems
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 1,300
Amortization Period (in years)		3 years
Developed Technology | QRC Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 21,800
Developed Technology | QRC Technologies | Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)	3 years
Developed Technology | QRC Technologies | Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)	5 years
Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				7 years
Customer Relationships | Polaris Alpha
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 76,000
Amortization Period (in years)			8 years
Customer Relationships | OGSystems
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 57,100
Amortization Period (in years)		5 years
Customer Relationships | QRC Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 49,800
Amortization Period (in years)	12 years
Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				3 years
Backlog | Polaris Alpha
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 34,900
Amortization Period (in years)			2 years
Backlog | OGSystems
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 27,700
Amortization Period (in years)		3 years
Backlog | QRC Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 800
Amortization Period (in years)	1 year
Trade Name
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				1 year
Trade Name | Polaris Alpha
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 3,600
Amortization Period (in years)			1 year
Trade Name | OGSystems
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 3,800
Amortization Period (in years)		2 years
Trade Name | QRC Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 800
Amortization Period (in years)	2 years
Leases
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				5 years
Leases | Polaris Alpha
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 120
Amortization Period (in years)			6 years
Non compete Agreements
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)				3 years
Non compete Agreements | OGSystems
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 2,400
Amortization Period (in years)		3 years
Non compete Agreements | QRC Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,200
Amortization Period (in years)	4 years
In-process Research and Development | QRC Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,800
In-process Research and Development | QRC Technologies | Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)	3 years
In-process Research and Development | QRC Technologies | Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period (in years)	5 years

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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