Acquisitions - Aggregate Consideration Paid or Payable and Allocation of Net Assets (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
|
| Business Combination [Line Items] | ||
| Contingent consideration | $ 256,202 | $ 344,984 |
| Goodwill | 5,673,791 | $ 5,316,443 |
| Business Acquisitions | ||
| Business Combination [Line Items] | ||
| Cash | 599,252 | |
| Value of Quanta common stock issued | 161,554 | |
| Contingent consideration | 54,878 | |
| Fair value of total consideration transferred or estimated to be transferred | 815,684 | |
| Cash and cash equivalents | 32,874 | |
| Accounts receivable | 138,209 | |
| Contract assets | 8,322 | |
| Prepaid expenses and other current assets | 7,750 | |
| Property and equipment | 96,754 | |
| Other assets | 5,657 | |
| Identifiable intangible assets | 285,969 | |
| Accounts payable and accrued expenses | (68,334) | |
| Contract liabilities | (27,034) | |
| Other non-current liabilities | (3,942) | |
| Deferred income taxes | (1,162) | |
| Total identifiable net assets | 475,063 | |
| Goodwill | 340,621 | |
| Fair value of net assets acquired | $ 815,684 |
| X | ||||||||||
- Definition Cash consideration transferred or to be transferred in cash except for contingent consideration. No definition available.
|
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contract Assets, Current No definition available.
|
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contract Liabilities No definition available.
|
| X | ||||||||||
- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Liability, Noncurrent No definition available.
|
| 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of prepaid expense and asset classified as other, acquired in business combination and recognized at acquisition date, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of receivable acquired in business combination and recognized at acquisition date, classified as current. Includes, but is not limited to, receivable from customer for product and service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of accounts payable assumed in business combination and recognized at acquisition date, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability assumed in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of identifiable intangible asset acquired in business combination and recognized at acquisition date. Excludes goodwill and financial asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset acquired in excess of (less than) liability assumed in business combination and recognized at acquisition date. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset acquired in business combination and recognized at acquisition date, classified as other and noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of property, plant, and equipment acquired in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset acquired in excess of (less than) liability assumed plus goodwill in business combination and recognized at acquisition date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|