Segment Information (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
Segment Information
Number of reportable segments \| segment	2
Revenue	$ 1,174,640	$ 885,216
Gross Profit	205,405	153,144
Operating \| Mechanical Services Segment
Segment Information
Revenue	918,615	682,511
Gross Profit	164,067	126,728
Operating \| Electrical Services Industry
Segment Information
Revenue	256,025	202,705
Gross Profit	$ 41,338	$ 26,416

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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