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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments in Unconsolidated Entities - Additional Information (Detail) - USD ($)	8 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Apr. 30, 2014
Investments in and Advances to Affiliates [Line Items]
Investments under equity method of accounting		$ 0	$ 0
Net cash proceeds	$ 0	0	0	$ 3,442,000
Gain on sale of equity method investment	0	0	0	593,000
Gain through loss from equity method investments	$ 0	$ 0	$ 0	(936,000)
GreenFiber
Investments in and Advances to Affiliates [Line Items]
Sale of equity method investment				18,000,000
Gross cash proceeds				19,194,000
Adjustment of working capital				$ 1,194,000
Equity method investment membership interest				50.00%
Net cash proceeds				$ 3,442,000
Unrealized losses relating to derivative instruments				593,000
Gain on sale of equity method investment				$ 593,000
Tompkins County Recycling LLC
Investments in and Advances to Affiliates [Line Items]
Equity method investment membership interest				50.00%
Equity contribution				$ 425,000
Price to purchase acquired assets prior to the acquisition date				300,000
Gain through loss from equity method investments				$ 106,000

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Equity method investment sales price consideration.

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Equity method investment final consideration.

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Equity method investment working capital portion of the final consideration.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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