Contracts Revenue, Percent

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- Definition

Trade Accounts Receivable and Contract Receivable Retainage, Net

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount, including 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
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Concentration of Risk and Enterprise Wide Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Concentration Risk [Line Items]
Contract revenues	$ 199,793	$ 199,507	$ 165,985	$ 143,105	$ 99,211	$ 125,073	$ 159,767	$ 136,843	$ 708,390	$ 520,894	$ 578,553
Foreign
Concentration Risk [Line Items]
Contract revenues, percent									1.60%	2.30%	1.60%
Customer concentration risk \| Trade and contract retainage receivables
Concentration Risk [Line Items]
Trade and retainage receivables	159,087				108,375				$ 159,087	$ 108,375
Concentration risk, percentage									100.00%	100.00%
Customer concentration risk \| Contract revenues
Concentration Risk [Line Items]
Concentration risk, percentage									100.00%	100.00%	100.00%
Contract revenues									$ 708,390	$ 520,894	$ 578,553
Customer concentration risk \| Federal Government \| Trade and contract retainage receivables
Concentration Risk [Line Items]
Trade and retainage receivables	4,765				2,319				$ 4,765	$ 2,319
Concentration risk, percentage									3.00%	2.00%
Customer concentration risk \| Federal Government \| Contract revenues
Concentration Risk [Line Items]
Concentration risk, percentage									6.00%	8.00%	11.00%
Contract revenues									$ 46,425	$ 42,143	$ 63,823
Customer concentration risk \| State Governments \| Trade and contract retainage receivables
Concentration Risk [Line Items]
Trade and retainage receivables	5,864				916				$ 5,864	$ 916
Concentration risk, percentage									4.00%	1.00%
Customer concentration risk \| State Governments \| Contract revenues
Concentration Risk [Line Items]
Concentration risk, percentage									7.00%	6.00%	7.00%
Contract revenues									$ 47,831	$ 30,470	$ 42,613
Customer concentration risk \| Local Governments \| Trade and contract retainage receivables
Concentration Risk [Line Items]
Trade and retainage receivables	41,944				30,187				$ 41,944	$ 30,187
Concentration risk, percentage									26.00%	28.00%
Customer concentration risk \| Local Governments \| Contract revenues
Concentration Risk [Line Items]
Concentration risk, percentage									30.00%	21.00%	16.00%
Contract revenues									$ 212,958	$ 107,478	$ 91,591
Customer concentration risk \| Private Companies \| Trade and contract retainage receivables
Concentration Risk [Line Items]
Trade and retainage receivables	$ 106,514				$ 74,953				$ 106,514	$ 74,953
Concentration risk, percentage									67.00%	69.00%
Customer concentration risk \| Private Companies \| Contract revenues
Concentration Risk [Line Items]
Concentration risk, percentage									57.00%	65.00%	66.00%
Contract revenues									$ 401,176	$ 340,803	$ 380,526