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Acquisitions - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Jun. 30, 2019 | Mar. 31, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |  |
Net tangible assets acquired | $ 87,600 |  |  | $ 87,600 |
Other intangible assets acquired |  |  |  | 190,000 |
Goodwill acquired | 10,069 |  |  | 100,700 | $ 110,383
Bargain purchase gain, net of deferred tax |  | $ (3,100) |  | (3,100) |
Acquisitions 2020 |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration | $ 19,377 |  |  |  |
Number of shares granted for acquired companies (in shares) | 116,812 |  |  |  |
Value of Quanta common stock issued | $ 4,158 |  |  |  |
Other intangible assets acquired | 4,561 |  |  |  |
Goodwill acquired | 10,069 |  |  |  |
Bargain purchase gain, net of deferred tax | 0 |  |  |  |
Goodwill expected to be deductible for income tax | 3,800 |  |  | $ 3,800 |
Revenues included in consolidated results of operations | 1,900 |  |  |  |
Income (loss) before taxes | (900) |  |  |  |
Acquisition costs | $ 800 |  |  |  |
Acquisitions 2019 |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration |  |  | $ 399,300 |  | $ 399,279
Number of shares granted for acquired companies (in shares) |  |  |  |  | 60,860
Value of Quanta common stock issued |  |  |  |  | $ 1,791
Goodwill acquired |  |  |  |  | 110,137
Bargain purchase gain, net of deferred tax |  |  |  |  | (3,139)
Goodwill expected to be deductible for income tax |  |  |  |  | $ 90,600
Revenues included in consolidated results of operations |  |  | 7,400 |  |
Income (loss) before taxes |  |  | (1,000) |  |
Acquisition costs |  |  | $ 2,400 |  |

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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