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CLOSURE AND POST-CLOSURE LIABILITIES
 3 Months Ended
Mar. 31, 2024
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, 2024 through March 31, 2024 were as follows (in thousands):
Landfill
Retirement
Liability		Non-Landfill
Retirement
Liability		Total
Balance at January 1, 2024$59,443 $59,157 $118,600 
New asset retirement obligations556 — 556 
Accretion1,221 1,071 2,292 
Changes in estimates recorded to consolidated statement of operations— 58 58 
Changes in estimates recorded to consolidated balance sheet— 51 51 
Expenditures(608)(1,183)(1,791)
Currency translation and other(109)(85)(194)
Balance at March 31, 2024$60,503 $59,069 $119,572 
In the three months ended March 31, 2024, there were no significant benefits or charges resulting from changes in estimates for closure and post-closure liabilities.