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FAIR VALUE OF FINANCIAL INSRUMENTS (Tables)
 9 Months Ended
Sep. 30, 2016
Fair Value Disclosures [Abstract]  
Summary of 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 follow:
 
Fair Value Measurement at September 30, 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 cash - capital projects
$
—

 
$
—

 
$
—

Restricted investments - landfill closure
931

 
—

 
—

Total
$
931

 
$
—

 
$
—

 
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 cash - capital projects
$
1,348

 
$
—

 
$
—

Restricted investments - landfill closure
903

 
—

 
—

Total
$
2,251

 
$
—

 
$
—

Liabilities:
 
 
 
 
 
Interest rate derivative
$
—

 
$
178

 
$
—