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CLOSURE AND POST-CLOSURE LIABILITIES
 6 Months Ended
Jun. 30, 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 June 30, 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 obligations947 — 947 
Accretion2,415 2,185 4,600 
Changes in estimates recorded to consolidated statement of operations— (182)(182)
Changes in estimates recorded to consolidated balance sheet46 51 97 
Expenditures(2,701)(1,963)(4,664)
Currency translation and other(160)(126)(286)
Balance at June 30, 2024$59,990 $59,122 $119,112 
In the six months ended June 30, 2024, there were no significant benefits or charges resulting from changes in estimates for closure and post-closure liabilities.