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SEGMENT REPORTING - Summary of Revenues Attributable to Services Provided by Company (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Revenue from External Customer [Line Items] |  |
Revenues | $ 163,664 | $ 147,455
Collection |  |
Revenue from External Customer [Line Items] |  |
Revenues | 83,080 | 66,475
Disposal |  |
Revenue from External Customer [Line Items] |  |
Revenues | 36,054 | 40,234
Power generation |  |
Revenue from External Customer [Line Items] |  |
Revenues | 1,136 | 1,799
Processing |  |
Revenue from External Customer [Line Items] |  |
Revenues | 878 | 1,420
Solid waste operations |  |
Revenue from External Customer [Line Items] |  |
Revenues | 121,148 | 109,928
Organics |  |
Revenue from External Customer [Line Items] |  |
Revenues | 13,596 | 12,200
Customer solutions |  |
Revenue from External Customer [Line Items] |  |
Revenues | 18,154 | 15,170
Recycling |  |
Revenue from External Customer [Line Items] |  |
Revenues | $ 10,766 | $ 10,157

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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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