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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Assets and Liabilities Measured at Fair Value on Recurring Basis | Summaries of our financial assets and liabilities that are measured at fair value on a recurring basis are as follows:
| Fair Value Measurement at December 31, 2016 Using:
| Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |
Restricted assets - landfill closure | $ | 1,002 |  |  | $ | — |  |  | $ | — |
| Fair Value Measurement at December 31, 2015 Using:
| Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |
Restricted assets - capital projects | $ | 1,348 |  |  | $ | — |  |  | $ | — |
Restricted assets - landfill closure | 903 |  |  | — |  |  | — |
| $ | 2,251 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |
Interest rate derivative | $ | — |  |  | $ | 178 |  |  | $ | — |
Assets and Liabilities Measured at Fair Value on Non-Recurring Basis | Summaries of our financial assets and liabilities that are measured at fair value on a non-recurring basis as of December 31, 2015 (no assets or liabilities measured at fair value on a non-recurring basis as of December 31, 2016) are as follows:
| Fair Value Measurements at December 31, 2015 Using:
| Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Cost method investment - GreenerU | $ | — |  |  | $ | — |  |  | $ | 309 |
Cost method investment - Recycle Rewards | — |  |  | — |  |  | 1,069 |
| $ | — |  |  | $ | — |  |  | $ | 1,378 |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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