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Revenue from Customers - Revenue Disaggregation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 1,581,766 | $ 1,427,412 | $ 1,126,278
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 1,581,766 | 1,427,412 | 1,126,278
Transportation Solutions | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 795,582 | 753,824 | 760,325
Transportation Solutions | Heavy Highway |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 572,902 | 526,561 | 483,175
Transportation Solutions | Aviation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 119,327 | 109,894 | 141,371
Transportation Solutions | Water Containment and Treatment |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 58,100 | 69,922 | 65,795
Transportation Solutions | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 45,253 | 47,447 | 69,984
E-Infrastructure Solutions | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 468,784 | 397,253 | 84,637
Building Solutions | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 317,400 | 276,335 | 281,316
Building Solutions | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 209,201 | 164,694 | 153,129
Building Solutions | Commercial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 108,199 | 111,641 | 128,187
Fixed-Unit Price |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 871,832 | 843,401 | 708,638
Lump Sum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 494,590 | 389,045 | 262,237
Residential and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 215,344 | $ 194,966 | $ 155,403

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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