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Cost of sales
 12 Months Ended
Dec. 31, 2022
Other Income and Expenses [Abstract]  
Cost of sales Cost of sales
Year ended December 31,20222021
Salaries, wages and benefits$241,113 $211,804 
Repair parts and consumable supplies131,460 112,411 
Subcontractor services91,666 63,414 
Equipment and component sales41,302 21,505 
Third-party equipment rentals22,964 27,422 
Fuel12,963 13,890 
Other7,255 5,264 
$548,723 $455,710