Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) segment	Sep. 30, 2022 USD ($)
Segment Information
Number of reportable segments | segment			2
Revenue	$ 1,378,124	$ 1,120,012	$ 3,849,194	$ 3,023,176
Gross Profit	277,499	202,224	710,824	530,360
Operating | Mechanical Segment [Member]
Segment Information
Revenue	1,031,310	858,768	2,925,848	2,318,036
Gross Profit	210,147	150,872	547,695	416,205
Operating | Electrical Segment [Member]
Segment Information
Revenue	346,814	261,244	923,346	705,140
Gross Profit	$ 67,352	$ 51,352	$ 163,129	$ 114,155