COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands, ر.س in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Dec. 31, 2019
USD ($)
|
Jun. 30, 2018
SAR (ر.س)
|
Oct. 24, 2010
USD ($)
|
Oct. 24, 2010
SAR (ر.س)
|
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| Guarantor Obligations [Line Items] | ||||||||
| Operating lease, rental expense | $ 1,000 | $ 800 | $ 2,100 | $ 1,600 | ||||
| Shortfall fee expenses | 400 | 900 | 500 | 1,800 | ||||
| Expenses for environmental monitoring, compliance, and improvements | 154 | $ 160 | 303 | $ 325 | ||||
| Saudi Industrial Development Fund Limited Guarantee [Member] | ||||||||
| Guarantor Obligations [Line Items] | ||||||||
| Loan guarantee | 41.00% | 41.00% | ||||||
| Principal amount of loan guaranteed | $ 88,000 | ر.س 330.0 | ||||||
| Amount of maximum exposure | $ 81,300 | $ 81,300 | ر.س 305.0 | $ 36,100 | ر.س 135.3 | |||
| Scenario, Forecast [Member] | Saudi Industrial Development Fund Limited Guarantee [Member] | ||||||||
| Guarantor Obligations [Line Items] | ||||||||
| Amount of maximum exposure | $ 8,000 | |||||||
| X | ||||||||||
- Definition The percentage guaranteed of the principal amount of the loan as of the balance sheet date. No definition available.
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| X | ||||||||||
- Definition The total principal amount of the loan guaranteed to the cost method investee. No definition available.
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| X | ||||||||||
- Definition Amount of shortfall fee expenses for minimum amounts prescribed by our agreements with our suppliers. No definition available.
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| X | ||||||||||
- Definition The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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. No definition available.
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| X | ||||||||||
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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- Details
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