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COMMITMENTS AND CONTINGENCIES (Details)
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12 Months Ended | 12 Months Ended | |||||||||||||||
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Dec. 31, 2012
USD ($)
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Dec. 31, 2011
USD ($)
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Dec. 31, 2010
USD ($)
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Dec. 31, 2012
Contamination of Real Property [Member]
USD ($)
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Dec. 31, 2010
Threatened Litigation [Member]
Exposure to Asbestos [Member]
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Dec. 31, 2012
Threatened Litigation [Member]
Benzene Exposure [Member]
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Dec. 31, 2011
Threatened Litigation [Member]
Benzene Exposure [Member]
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Dec. 31, 2012
Notes Payable Guarantee [Member]
USD ($)
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Dec. 31, 2011
Notes Payable Guarantee [Member]
USD ($)
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Oct. 24, 2010
Saudi Industrial Development Fund Limited Guarantee [Member]
USD ($)
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Oct. 24, 2010
Saudi Industrial Development Fund Limited Guarantee [Member]
SAR
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| Guarantor Obligations [Line Items] | |||||||||||||||||
| Guarantor obligations | $ 160,000 | ||||||||||||||||
| Limited partnership ownership interest (in hundredths) | 19.00% | ||||||||||||||||
| Accrued liabilities current | 2,687,000 | [1] | 2,944,000 | [2] | 66,570 | 66,570 | |||||||||||
| Loan guarantee, maximum (in hundredths) | 41.00% | 41.00% | |||||||||||||||
| Principal amount of loan guaranteed | 88,000,000 | 330,000,000 | |||||||||||||||
| Amount of maximum exposure | 36,080,000 | 135,300,000 | |||||||||||||||
| Loss Contingencies [Line Items] | |||||||||||||||||
| Litigation settlement for holiday pay owed to Mr. El Khalidi | 255,000 | ||||||||||||||||
| Number of defendants | 44 | ||||||||||||||||
| Number of lawsuits | 3 | ||||||||||||||||
| Statute of limitations under the litigation | 2 years | ||||||||||||||||
| Site Contingency [Line Items] | |||||||||||||||||
| Accrual for environmental remediation | 350,000 | ||||||||||||||||
| Expenses for environmental monitoring, compliance, and improvements | $ 404,000 | $ 543,000 | $ 449,000 | ||||||||||||||
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