Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v3.7.0.1
COMMITMENTS AND CONTINGENCIES (Details)
SAR in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Mar. 31, 2017
SAR
Oct. 24, 2010
USD ($)
Oct. 24, 2010
SAR
Loss Contingencies [Line Items]          
Expenses for environmental monitoring, compliance, and improvements $ 165 $ 144      
Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Accrual recorded value 1,000        
Saudi Industrial Development Fund Limited Guarantee [Member]          
Guarantor Obligations [Line Items]          
Principal amount of loan guaranteed       $ 88,000 SAR 330,000
Amount of maximum exposure $ 82,700   SAR 310,000 $ 36,100 SAR 135,330
Saudi Industrial Development Fund Limited Guarantee [Member] | Maximum [Member]          
Guarantor Obligations [Line Items]          
Loan guarantee       41.00% 41.00%