CLOSURE AND POST-CLOSURE LIABILITIES - Changes in Post-Closure Liabilities (Details) $ in Thousands	9 Months Ended
Sep. 30, 2022 USD ($)
Changes to post-closure liabilities
Beginning balance	$ 99,103
Liabilities assumed in acquisitions	55
Measurement period adjustments from prior period acquisitions	1,148
New asset retirement obligations	2,681
Accretion	6,436
Changes in estimates recorded to consolidated statement of operations	799
Changes in estimates recorded to consolidated balance sheet	583
Expenditures	(3,313)
Currency translation and other	(720)
Ending balance	106,772
Landfill Retirement Liability
Changes to post-closure liabilities
Beginning balance	53,425
Liabilities assumed in acquisitions	0
Measurement period adjustments from prior period acquisitions	0
New asset retirement obligations	2,681
Accretion	3,409
Changes in estimates recorded to consolidated statement of operations	566
Changes in estimates recorded to consolidated balance sheet	0
Expenditures	(2,424)
Currency translation and other	(522)
Ending balance	57,135
Non-Landfill Retirement Liability
Changes to post-closure liabilities
Beginning balance	45,678
Liabilities assumed in acquisitions	55
Measurement period adjustments from prior period acquisitions	1,148
New asset retirement obligations	0
Accretion	3,027
Changes in estimates recorded to consolidated statement of operations	233
Changes in estimates recorded to consolidated balance sheet	583
Expenditures	(889)
Currency translation and other	(198)
Ending balance	$ 49,637

Asset Retirement Obligation Changes Recorded in Balance Sheet

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- Definition

The amount of change in the asset retirement obligation, during the current period, for changes in estimates recorded in the statement of income.

+ References

No definition available.

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- Definition

Asset Retirement Obligation, Liabilities Assumed in Acquisition

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No definition available.

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Asset Retirement Obligation, Measurement Period Adjustments From Prior Period Acquisitions

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No definition available.

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- Definition

Asset Retirement Obligation, Payments

+ References

No definition available.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 25
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=116646717&loc=d3e6290-110844

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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- Definition

Amount of asset retirement obligations incurred during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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