v3.25.4

COMMITMENTS AND CONTINGENCIES - Insurance (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Commitment And Contingencies [Line Items]
Insurance and other non-current liabilities	$ 1,139,524	$ 650,281
General and Auto Liability
Commitment And Contingencies [Line Items]
Deductible and additional retention amount for the general liability and auto liability programs, per occurrence	70,000
Employer's Liability, Workers' Compensation, Auto Liability, General Liability and Group Health Care Claims
Commitment And Contingencies [Line Items]
Gross amount accrued for insurance claims	521,400	400,200
Insurance and other non-current liabilities	334,600	263,300
Related insurance recoveries/receivables	5,800	4,900
Related insurance recoveries/receivables included in prepaid expenses and other current assets	200	800
Related insurance recoveries/receivables included in other assets	$ 5,600	$ 4,100

Commitment And Contingencies [Line Items]

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- Definition

Deductible and Additional Retention Amount for Liability Programs, per Occurrence

+ References

No definition available.

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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

No definition available.

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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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- Definition

Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
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- Definition

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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QUANTA SERVICES, INC. 10-K