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Revenue from Contracts with Customers (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |
Performance obligation satisfied in previous period | $ 0 | $ 6,100,000 | $ 0
Change in estimate of transaction price | 0 | 0 | 0
Change in total estimated cost | 0 | 0 | 0
Loss on contracts | 0 | 0 | $ 0
Unbilled revenues for unapproved change orders | 24,100,000 | 15,300,000 |
Claims on uncompleted contracts | 2,500,000 | 0 |
Accounts receivable, unapproved contract claims | 0 | 0 |
Accounts receivable, contractually billed amounts on contracts related to unapproved contract claims | 130,700,000 | 87,900,000 |
Net contract liabilities on uncompleted construction projects | 500,348,000 | 496,796,000 |
Contract asset impairment | 0 | 0 |
Accounts receivable, retainage | $ 375,300,000 | 323,900,000 |
Accounts receivable, retainage estimated to be collected in next fiscal year | 90.00% |  |
Accounts payable, retainage | $ 71,100,000 | $ 59,800,000 |
Accounts payable, retainage estimated to be paid in next fiscal year | 90.00% |  |
Remaining performance obligations | $ 5,599,297,000 |  |
2021 Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Increase (decrease) in contract assets from acquisitions | 8,100,000 |  |
Increase (decrease) in contract liabilities from acquisitions | 23,200,000 |  |
Excluding 2021 Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Decrease in net contract liabilities | $ 7,200,000 |  |

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- Definition The total amount of accounts receivable from customers under long-term contracts or programs associated with unapproved change orders or other similar items subject to uncertainty concerning their determination or ultimate realization. + References No definition available. + Details
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- Definition Net billings in excess of costs and estimated earnings on uncompleted construction contracts, comprised of billings net of costs and estimated earnings on uncompleted construction contracts. + References No definition available. + Details
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- Definition Contract Payable Retainage, Expected To Be Paid, Percent + References No definition available. + Details
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- Definition Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract. + References No definition available. + Details
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- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References No definition available. + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 + Details
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