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SEGMENT REPORTING - Summary of Revenues Attributable to Services Provided by Company (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue from External Customer [Line Items]
Revenues	$ 133,802	$ 125,432
Collection
Revenue from External Customer [Line Items]
Revenues	59,838	57,851
Disposal
Revenue from External Customer [Line Items]
Revenues	31,281	32,253
Power generation
Revenue from External Customer [Line Items]
Revenues	1,352	1,707
Processing
Revenue from External Customer [Line Items]
Revenues	1,660	973
Solid waste operations
Revenue from External Customer [Line Items]
Revenues	94,131	92,784
Organics
Revenue from External Customer [Line Items]
Revenues	9,214	8,935
Customer solutions
Revenue from External Customer [Line Items]
Revenues	13,822	13,075
Recycling
Revenue from External Customer [Line Items]
Revenues	$ 16,635	$ 10,638

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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

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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