Stockholders'/Members' Equity - Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net (Details) - USD ($) $ in Thousands	3 Months Ended	5 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2026	Jun. 30, 2025
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Abstract]
Net Income (Loss)	$ 36,970	$ 44,255	$ 13,612	$ 13,612	$ 43,541
Transfers from (to) non-controlling interests:
Increase in additional paid-in capital as a result of non-controlling interest adjustments, including the secondary offering	18,520			18,520
Decrease in additional paid-in capital as a result of the redemption of LLC interests in connection with the secondary offering	(1,208)			(1,208)
Total effect of changes in ownership interest on equity attributable to SOLV Energy, Inc.	$ 54,282			$ 30,924

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details