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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
3 Months Ended
Mar. 31, 2022
Fair Value Disclosures [Abstract]  
Summary of Financial Assets and Liabilities Measured at Fair Value
Summaries of our financial assets and liabilities that are measured at fair value on a recurring basis follow:
 Fair Value Measurement at March 31, 2022 Using:
 Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Assets:
Restricted investment securities - landfill closure$1,985 $— $— 
Interest rate swaps— 4,869 — 
$1,985 $4,869 $— 
Liabilities:
Interest rate swaps$— $1,270 $— 

 Fair Value Measurement at December 31, 2021 Using:
 Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
Assets:
Restricted investment securities - landfill closure$2,122 $— $— 
Interest rate swaps— 424 — 
$2,122 $424 $— 
Liabilities:
Interest rate swaps$— $5,176 $—