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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Asset Impairments (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Goodwill impairment incurred	$ 0	$ 0	$ 0
Impairment of investments	$ 0	$ 0	1,069,000
Recycling
Segment Reporting Information [Line Items]
Percentage of fair value in excess of carrying amount	77.20%
Customer solutions
Segment Reporting Information [Line Items]
Percentage of fair value in excess of carrying amount	77.20%
Recycle Rewards Inc
Segment Reporting Information [Line Items]
Impairment of investments			$ 1,069,000
Outstanding common stock percentage			6.80%
Eastern
Segment Reporting Information [Line Items]
Percentage of fair value in excess of carrying amount	77.20%
Western
Segment Reporting Information [Line Items]
Percentage of fair value in excess of carrying amount	77.20%

X

- Definition

Investment ownership percentage

+ References

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

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-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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