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MAJOR CUSTOMERS (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) item	Dec. 31, 2016 USD ($)
Major Customers
Number of customers with the largest receivable balances | item	3
Accounts receivable | Accounts receivable balances | Customer one
Major Customers
Concentration risk (as a percent)	12.00%	9.00%
Accounts receivable | $	$ 34,468	$ 43,218
Accounts receivable | Accounts receivable balances | Customer two
Major Customers
Concentration risk (as a percent)	4.00%	6.00%
Accounts receivable | Accounts receivable balances | Customer three
Major Customers
Concentration risk (as a percent)	4.00%	4.00%

X

- Definition

Represents the number of major customers.

+ References

No definition available.

+ Details

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- Definition

For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
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-Name Accounting Standards Codification
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X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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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.

+ References

No definition available.

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