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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- References

No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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BUSINESS COMBINATIONS - Other 2019 (Details) $ in Thousands, $ in Millions			3 Months Ended
	Aug. 01, 2019 USD ($)	Aug. 01, 2019 CAD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Acquisition
Payment to acquire business, net of cash acquired			$ 3,309
Consideration paid and the fair value of assets acquired and liabilities assumed
Goodwill			466,031		$ 766,980
Additional information
Revenue since acquisition included in consolidated statements of operations			86,600
Operating loss since acquisition included in consolidated statements of operations			304,000
Acquisition-related costs included in selling, general and administrative expenses			2,907	$ 141
Field and Industrial Services
Consideration paid and the fair value of assets acquired and liabilities assumed
Goodwill			$ 298,723		$ 298,579
US Ecology Sarnia
Acquisition
Percentage of outstanding shares acquired	100.00%
Acquisition price	$ 17,900	$ 23.5
Consideration paid and the fair value of assets acquired and liabilities assumed
Identifiable intangible assets	6,200
Goodwill	7,700
Total purchase price	$ 17,900	$ 23.5
Additional information
Weighted average amortization period	14 years	14 years