ACQUISITIONS (Fair Values and Useful Lives of Intangible Assets Acquired) (Details) - Continuum - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated fair value of intangible assets acquired		$ 14,450
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		6 years 6 months 12 days
Estimated fair value of intangible assets acquired		$ 5,800
Favorable lease
Acquired Finite-Lived Intangible Assets [Line Items]
Adjustment related to incomplete initial accounting	$ (400)
Weighted average useful life		11 years 2 months
Estimated fair value of intangible assets acquired		$ 5,500
Contract royalties
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		8 years
Estimated fair value of intangible assets acquired		$ 1,900
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life		5 years
Estimated fair value of intangible assets acquired		$ 1,250

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.

No definition available.

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 4A
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=SL65897772-128472

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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