Cash consideration transferred or to be transferred in cash except for contingent consideration.

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- Definition

Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Target Term

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No definition available.

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- Definition

Amount of tangible assets acquired less liabilities assumed at the acquisition date.

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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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

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Acquisitions - 2018 Acquisitions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Potential payment (up to)	$ 157,200
Goodwill	56,337	$ 302,408	$ 45,186
2018 Acquisitions
Business Acquisition [Line Items]
Cash paid or payable	$ 106,804
Number of shares granted for acquired companies (in shares)	679,668
Value of Quanta common stock issued	$ 22,882
Potential payment (up to)	18,000
Fair value of contingent consideration liability	16,471
Net tangible assets acquired	37,500
Identifiable intangible assets	52,364
Goodwill	$ 56,337
2018 Acquisitions \| Minimum
Business Acquisition [Line Items]
Contingent consideration financial target term	5 years
2018 Acquisitions \| Maximum
Business Acquisition [Line Items]
Contingent consideration financial target term	3 years