Contracts with customer assets acquired through business acquisitions.

No definition available.

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- Definition

Contracts with customer liabilities acquired through business acquisitions.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

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- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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-Name Accounting Standards Codification
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Revenues and Accounts Receivable - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Accounts Notes And Loans Receivable [Line Items]
Contracts assets acquired through business acquisitions			$ 6,500		$ 700
Contract liabilities acquired through business acquisitions			0		2,200
Contract with customer liabilities, revenue recognized	$ 500		2,100
Revenue remaining performance obligations	$ 25,200		25,200		13,000
Provision for bad debt		$ 6,300	6,445	$ 590	$ 1,246
Remediation and Reuse Segment
Accounts Notes And Loans Receivable [Line Items]
Provision for bad debt			$ 5,500
Customer Concentration Risk \| Accounts Receivable \| Minimum
Accounts Notes And Loans Receivable [Line Items]
Concentration Risk Percentage			10.00%