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SEGMENT REPORTING - Summary of Revenues Attributable to Services Provided by Company (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 151,133 | $ 146,185 | $ 421,236 | $ 406,476
Collection |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 65,581 | 63,588 | 187,117 | 177,550
Disposal |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 43,412 | 43,168 | 115,050 | 114,999
Power generation |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 1,610 | 1,694 | 4,777 | 5,305
Processing |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 1,974 | 1,866 | 4,694 | 4,652
Solid waste operations |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 112,577 | 110,316 | 311,638 | 302,506
Organics |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 10,266 | 9,753 | 31,372 | 29,619
Customer solutions |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 13,878 | 13,416 | 40,361 | 39,895
Recycling |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 14,412 | $ 12,700 | $ 37,865 | $ 34,456

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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 + Details
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