v3.26.1

Commitments, Contingencies and Guarantees (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Loss Contingencies [Line Items]
Loss contingency accrual	$ 2,000,000.0	$ 2,000,000.0
Surety bond
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure, undiscounted	692,900,000	767,700,000
Surety bond \| Standby letters of credit
Loss Contingencies [Line Items]
Net loss contingent liability	18,100,000	18,100,000
Performance guarantee
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure, undiscounted	769,500,000	641,100,000
Fixed maximum amounts guaranteed remainder of year 2026	339,400,000
Fixed maximum amounts guaranteed by year 2027	389,300,000
Fixed maximum amounts guaranteed by year 2028	18,700,000
Fixed maximum amounts guaranteed by year 2029	3,300,000
Fixed maximum amounts guaranteed by year 2030	3,000,000.0
Fixed maximum amounts guaranteed after year 2030	15,800,000
Guarantor obligations outstanding	0	0
Revolving credit facility \| Standby letters of credit \| Credit Agreement \| Line of credit
Loss Contingencies [Line Items]
Outstanding letters of credit	$ 2,200,000	$ 2,200,000

Guarantor, Fixed Maximum Amounts Guaranteed, After Year Four

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Guarantor, Fixed Maximum Amounts Guaranteed, Remainder of Year

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Fixed maximum amounts guaranteed by year four.

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Fixed maximum amounts guaranteed by year one.

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Fixed maximum amounts guaranteed by year three.

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Guarantor Obligations, Outstanding

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Loss Contingency, After Insurance Claim Receivables

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Everus Construction Group, Inc. 10-Q