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Acquisitions - Aggregate Consideration Paid or Payable and Allocation of Net Assets (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 10,069 |  | $ 102,700 | $ 110,383
Bargain purchase gain |  |  |  | (3,100)
Acquisitions 2020 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid or payable | 19,377 |  |  |
Value of Quanta common stock issued | 4,158 |  |  |
Contingent consideration | 2,250 |  | 2,250 |
Fair value of total consideration transferred or estimated to be transferred | 25,785 |  |  |
Accounts receivable | 4,888 |  | 4,888 |
Contract assets | 0 |  | 0 |
Other current assets | 1,691 |  | 1,691 |
Property and equipment | 6,233 |  | 6,233 |
Other assets | 0 |  | 0 |
Identifiable intangible assets | 4,561 |  | 4,561 |
Contract liabilities | 0 |  | 0 |
Other current liabilities | (1,174) |  | (1,174) |
Deferred tax liabilities, net | (483) |  | (483) |
Other long-term liabilities | 0 |  | 0 |
Total identifiable net assets | 15,716 |  | 15,716 |
Goodwill | 10,069 |  |  |
Fair value of net assets acquired | 25,785 |  | $ 25,785 |
Bargain purchase gain | $ 0 |  |  |
Acquisitions 2019 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid or payable |  | $ 395,300 |  | 395,258
Value of Quanta common stock issued |  |  |  | 1,791
Contingent consideration |  |  |  | 0
Fair value of total consideration transferred or estimated to be transferred |  |  |  | 397,049
Accounts receivable |  |  |  | 112,142
Contract assets |  |  |  | 11,869
Other current assets |  |  |  | 14,290
Property and equipment |  |  |  | 60,133
Other assets |  |  |  | 149
Identifiable intangible assets |  |  |  | 192,786
Contract liabilities |  |  |  | (11,856)
Other current liabilities |  |  |  | (73,698)
Deferred tax liabilities, net |  |  |  | (12,455)
Other long-term liabilities |  |  |  | (5,345)
Total identifiable net assets |  |  |  | 288,015
Goodwill |  |  |  | 112,173
Fair value of net assets acquired |  |  |  | 400,188
Bargain purchase gain |  |  |  | $ (3,139)

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- Definition Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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