|
FAIR VALUE MEASUREMENTS (Measured on Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2013
Catalyst lease obligations [Member]
Level 1 [Member]
|
Dec. 31, 2012
Catalyst lease obligations [Member]
Level 1 [Member]
|
Sep. 30, 2013
Catalyst lease obligations [Member]
Level 2 [Member]
|
Dec. 31, 2012
Catalyst lease obligations [Member]
Level 2 [Member]
|
Sep. 30, 2013
Catalyst lease obligations [Member]
Level 3 [Member]
|
Dec. 31, 2012
Catalyst lease obligations [Member]
Level 3 [Member]
|
Sep. 30, 2013
Catalyst lease obligations [Member]
Total [Member]
|
Dec. 31, 2012
Catalyst lease obligations [Member]
Total [Member]
|
Dec. 31, 2012
Contingent consideration for refinery acquisition [Member]
Level 1 [Member]
|
Dec. 31, 2012
Contingent consideration for refinery acquisition [Member]
Level 2 [Member]
|
Dec. 31, 2012
Contingent consideration for refinery acquisition [Member]
Level 3 [Member]
|
Sep. 30, 2013
Contingent consideration for refinery acquisition [Member]
Level 3 [Member]
Discounted Cash Flow [Member]
|
Dec. 31, 2012
Contingent consideration for refinery acquisition [Member]
Total [Member]
|
Sep. 30, 2013
Commodity contract [Member]
Level 1 [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Level 1 [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Level 2 [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Level 3 [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Total [Member]
|
Sep. 30, 2013
Inventory Intermediation Agreement Obligation [Member]
Level 1 [Member]
|
Sep. 30, 2013
Inventory Intermediation Agreement Obligation [Member]
Level 2 [Member]
|
Sep. 30, 2013
Inventory Intermediation Agreement Obligation [Member]
Level 3 [Member]
|
Sep. 30, 2013
Inventory Intermediation Agreement Obligation [Member]
Total [Member]
|
Sep. 30, 2013
Inventory Supply Arrangement Obligation [Member]
Level 1 [Member]
|
Dec. 31, 2012
Inventory Supply Arrangement Obligation [Member]
Level 1 [Member]
|
Sep. 30, 2013
Inventory Supply Arrangement Obligation [Member]
Level 2 [Member]
|
Dec. 31, 2012
Inventory Supply Arrangement Obligation [Member]
Level 2 [Member]
|
Sep. 30, 2013
Inventory Supply Arrangement Obligation [Member]
Level 3 [Member]
|
Dec. 31, 2012
Inventory Supply Arrangement Obligation [Member]
Level 3 [Member]
|
Sep. 30, 2013
Inventory Supply and Offtake Arrangements [Member]
Total [Member]
|
Dec. 31, 2012
Inventory Supply and Offtake Arrangements [Member]
Total [Member]
|
Sep. 30, 2013
Money market funds [Member]
Level 1 [Member]
|
Dec. 31, 2012
Money market funds [Member]
Level 1 [Member]
|
Sep. 30, 2013
Money market funds [Member]
Level 2 [Member]
|
Dec. 31, 2012
Money market funds [Member]
Level 2 [Member]
|
Sep. 30, 2013
Money market funds [Member]
Level 3 [Member]
|
Dec. 31, 2012
Money market funds [Member]
Level 3 [Member]
|
Sep. 30, 2013
Money market funds [Member]
Total [Member]
|
Dec. 31, 2012
Money market funds [Member]
Total [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Level 1 [Member]
|
Sep. 30, 2013
Commodity contract [Member]
Level 2 [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Level 2 [Member]
|
Sep. 30, 2013
Commodity contract [Member]
Level 3 [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Level 3 [Member]
|
Sep. 30, 2013
Commodity contract [Member]
Total [Member]
|
Dec. 31, 2012
Commodity contract [Member]
Total [Member]
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||
| Assets | $ 8,319 | $ 0 | $ 0 | $ 29,563 | $ 5,595 | $ 0 | $ 0 | $ 5,856 | $ 175,786 | $ 0 | $ 0 | $ 0 | $ 0 | $ 5,856 | $ 175,786 | $ 3,303 | $ 0 | $ 0 | $ 0 | $ 0 | $ 8,319 | $ 3,303 | |||||||||||||||||||||||
| Liabilities | $ 0 | $ 0 | $ 40,323 | $ 43,442 | $ 0 | $ 0 | $ 40,323 | $ 43,442 | $ 0 | $ 0 | $ 21,358 | $ 21,358 | $ 0 | $ 0 | $ 1,872 | $ 0 | $ 1,872 | $ 0 | $ 1,291 | $ 0 | $ 1,291 | $ 29,563 | $ 5,595 | $ 14,587 | $ 0 | $ 14,587 | |||||||||||||||||||
| Valuation method used to measure financial instruments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Risk free interest rate | 0.16% | ||||||||||||||||||||||||||||||||||||||||||||
| Credit rate spread | 4.38% | ||||||||||||||||||||||||||||||||||||||||||||
| Discount rate | 4.54% | ||||||||||||||||||||||||||||||||||||||||||||