Contract Assets and Liabilities - Schedule of Change in Contract Liability Balance (Details) $ in Thousands	9 Months Ended
Sep. 30, 2018 USD ($)
Revenue From Contract With Customer [Abstract]
Balance at January 1, 2018	$ 83,674
Change in the measure of progress on projects, net	(1,163,929)
Acquired contract liabilities	7,974
Revisions in estimates, net	9,675
Billings	1,180,946
Change in provision for loss, net	(581)
Balance at September 30, 2018	$ 117,759

Contract with customer billings liability.

No definition available.

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Period Type:	duration

- Definition

Contract With Customer Liabilities Accumulated Allowance For Credit Loss

+ References

No definition available.

+ Details

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- Definition

Contract with customer liability balance.

+ 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 estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045

+ 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 obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

+ Details

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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045

+ Details

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- References

No definition available.

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