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LONG-TERM DEBT - Additional Information (Detail) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Apr. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) interest_rate_derviative | Mar. 31, 2016 USD ($) | Feb. 28, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |
Gain (loss) on debt extinguishment |  | $ (472,000) | $ 48,000 |
Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis |  | 3.00% |  |
New York Bonds 2016 | 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] |  |  |  |
Aggregate principal amount |  | $ 21,400,000 |  |
New York Bonds 2016 | 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] |  |  |  |
Aggregate principal amount |  |  |  | $ 25,000,000
Debt instrument interest rate |  | 5.25% |  |
Senior Subordinated Notes Due 2019 Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate |  | 7.75% |  |
Maine Bonds | Variable Rate Bonds |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Carrying value of bonds |  | $ 3,600,000 |  |
Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount | $ 350,000,000 |  |  |
Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Net leverage ratio | 3.75 |  |  |
Cash Flow Hedging |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Derivative asset fair value |  | 388,000 |  |
Derivative liability fair value |  | $ 454,000 |  |
Cash Flow Hedging | Interest Rate Derivative |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate derivatives entered into | interest_rate_derviative |  | 3 |  |
Notional amount |  | $ 60,000,000 |  |
Weighted average rate paid |  | 1.95% |  |
Cash Flow Hedging | Interest Rate Derivative - February 2021 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notional amount |  | $ 35,000,000 |  |
Cash Flow Hedging | Interest Rate Derivative - February 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Notional amount |  | $ 25,000 |  |
LIBOR | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis | 2.75% |  |  |
LIBOR | Cash Flow Hedging | Interest Rate Derivative |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Floor interest rate received |  | 1.00% |  |
LIBOR Floor | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis | 1.00% |  |  |
Base Rate | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis | 1.75% |  |  |
Decrease in applicable interest margin | 0.25% |  |  |
Revolving Credit Facility | Subsequent Event | Line of Credit | Revolving Credit Facility due October 2021 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Revolving facility amount | $ 160,000,000 |  |  |
Consolidated net leverage ratio of 3.75x or less | LIBOR | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis | 2.50% |  |  |
Consolidated net leverage ratio of 3.75x or less | LIBOR Floor | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis | 1.00% |  |  |
Consolidated net leverage ratio of 3.75x or less | Base Rate | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument variable rate basis | 1.50% |  |  |

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