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CLOSURE AND POST-CLOSURE LIABILITIES
 3 Months Ended
Mar. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]  
CLOSURE AND POST-CLOSURE LIABILITIES CLOSURE AND POST-CLOSURE LIABILITIES
The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2020 through March 31, 2020 were as follows (in thousands):
 
Landfill
Retirement
Liability
 
Non-Landfill
Retirement
Liability
 
Total
Balance at January 1, 2020
$
39,401

 
$
36,250

 
$
75,651

New asset retirement obligations
590

 
—

 
590

Accretion
705

 
820

 
1,525

Changes in estimates recorded to statement of operations
4,180

 
(67
)
 
4,113

Expenditures
(521
)
 
(320
)
 
(841
)
Currency translation and other
(453
)
 
(146
)
 
(599
)
Balance at March 31, 2020
$
43,902

 
$
36,537

 
$
80,439


As of March 31, 2020, the Company initiated a plan to close one of its the commercial landfill sites resulting in a $4.2 million increase to the related closure and post closure liability. The remaining ten landfill facilities remain active as of March 31, 2020. In the three months ended March 31, 2020, other than this charge, there were no significant charges (benefits) resulting from changes in estimates for closure and post-closure liabilities.
New asset retirement obligations incurred during the first three months of 2020 were discounted at the credit-adjusted risk-free rate of 5.60%.