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Segment Information (Tables)
12 Months Ended
Dec. 31, 2021
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
The following table presents total revenues, depreciation and amortization, and income from operations by reportable segment for the years ended December 31, 2021, 2020 and 2019:
 Years Ended December 31,
 202120202019
Revenues  
Transportation Solutions
$795,582 $753,824 $760,325 
E-Infrastructure Solutions
468,784 397,253 84,637 
Building Solutions
317,400 276,335 281,316 
Total Revenues$1,581,766 $1,427,412 $1,126,278 
Depreciation and Amortization
Transportation Solutions
$10,171 $10,981 $12,529 
E-Infrastructure Solutions
20,889 18,664 4,770 
Building Solutions
3,060 2,987 3,169 
Segment Depreciation and Amortization34,120 32,632 20,468 
Corporate
81 153 272 
Total Depreciation and Amortization$34,201 $32,785 $20,740 
Operating Income  
Transportation Solutions
$21,514 $14,439 $13,193 
E-Infrastructure Solutions
80,478 76,522 16,208 
Building Solutions
32,564 30,441 28,921 
Segment Operating Income134,556 121,402 58,322 
Corporate
(23,392)(25,484)(16,260)
Acquisition Related Costs(3,877)(1,026)(4,311)
Total Operating Income$107,287 $94,892 $37,751 

The following table presents total assets by reportable segment at December 31, 2021 and 2020:
 December 31,
2021
December 31,
2020
Assets  
Transportation Solutions
$282,608 $285,216 
E-Infrastructure Solutions
772,533 470,617 
Building Solutions
143,262 143,353 
Corporate
32,593 53,508 
Total Assets$1,230,996 $952,694