Segment Information - Summary of Segment Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total assets	$ 1,623,736	$ 1,288,463
Operating segments
Segment Reporting Information [Line Items]
Total assets	1,459,599	1,175,357
Operating segments | E&M
Segment Reporting Information [Line Items]
Total assets	1,019,499	764,470
Operating segments | T&D
Segment Reporting Information [Line Items]
Total assets	440,100	410,887
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	188,781	161,016
Eliminations
Segment Reporting Information [Line Items]
Total assets	$ (24,644)	$ (47,910)