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Revenue from Customers - Revenue Disaggregation (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 410,320 | $ 315,316
Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 410,320 | 315,316
E-Infrastructure Solutions Backlog | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 168,927 | 96,572
Transportation Solutions Revenues | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 160,499 | 147,054
Transportation Solutions Revenues | Heavy Highway |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 112,745 | 99,516
Transportation Solutions Revenues | Aviation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 17,583 | 27,222
Transportation Solutions Revenues | Water Containment and Treatment |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 19,887 | 14,219
Transportation Solutions Revenues | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 10,284 | 6,097
Building Solutions Backlog - Commercial | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 80,894 | 71,690
Building Solutions Backlog - Commercial | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 54,270 | 44,174
Building Solutions Backlog - Commercial | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 26,624 | 27,516
Fixed-Unit Price |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 156,310 | 177,547
Lump-Sum |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 197,868 | 91,155
Residential and Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 56,142 | $ 46,614

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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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