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FAIR VALUE OF FINANCIAL INSTRUMENTS (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Assets: |  |
Restricted investment securities - landfill closure | $ 1,248 | $ 1,220
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring |  |
Assets: |  |
Interest rate swaps | 0 | 0
Total asset fair value | 1,248 | 1,220
Liabilities: |  |
Interest rate swaps | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring | Landfills |  |
Assets: |  |
Restricted investment securities - landfill closure | 1,248 | 1,220
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring |  |
Assets: |  |
Interest rate swaps | 820 | 401
Total asset fair value | 820 | 401
Liabilities: |  |
Interest rate swaps | 1,942 | 123
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Landfills |  |
Assets: |  |
Restricted investment securities - landfill closure | 0 | 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Assets: |  |
Interest rate swaps | 0 | 0
Total asset fair value | 0 | 0
Liabilities: |  |
Interest rate swaps | 0 | 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Landfills |  |
Assets: |  |
Restricted investment securities - landfill closure | $ 0 | $ 0

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