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LONG-TERM DEBT - Summary of Components of Long-Term Debt and Capital Leases by Debt Instruments, Interest Rates (Detail) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2017 | Dec. 31, 2016
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debt instrument variable rate basis (percentage) | 2.75% | 3.00%
New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014 due December 2044 - fixed rate interest period through 2019; bearing interest at 3.75% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 3.75% |
New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014R-2 due December 2044 - fixed rate interest period through 2026; bearing interest at 3.125% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 3.125% |
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 due January 2025 - fixed rate interest period through 2025; bearing interest at 5.25% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 5.25% |
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015 due August 2035 - fixed rate interest period through 2025; bearing interest at 5.125% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 5.125% |
Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2013 due April 2036 - fixed rate interest period through 2018; bearing interest at 4.75% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 4.75% |
Business Finance Authority of the State of New Hampshire Solid Waste Disposal Revenue Bonds Series 2013 due April 2029 - fixed rate interest period through 2019; bearing interest at 4.00% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 4.00% |
Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-2 due January 2025 - fixed rate interest period through 2017; bore interest at 6.25% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage |  | 6.25%
Capital leases maturing through September 2023; bearing interest at up to 7.70% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 7.70% |
Notes payable maturing through June 2027; bearing interest at up to 7.00% |  |
Debt Instrument [Line Items] |  |
Debt instrument stated percentage | 7.00% |
Term Loan B Facility due October 2023; bearing interest at LIBOR plus 2.75% and 3.00%, respectively | Secured Debt |  |
Debt Instrument [Line Items] |  |
Debt instrument variable rate basis (percentage) | 2.75% | 3.00%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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