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ALLOWANCE FOR DOUBTFUL ACCOUNTS (Changes in Allowance for Doubtful Accounts) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($)
Allowance for Doubtful Accounts
Allowance for doubtful accounts, balance at December 31, 2020	$ 12,670
Reserve accruals	2,027
Uncollectable accounts written-off	(2,400)
Foreign currency translation	(2)
Allowance for doubtful accounts, balance at June 30, 2021	$ 12,295

X

- Definition

Increase (decrease) in allowance for doubtful accounts due to a change in the foreign currency exchange rate.

+ References

No definition available.

+ Details

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Section 50
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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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.

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No definition available.

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Paragraph 13
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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