DERIVATIVE INSTRUMENTS (Schedule of Notional Amounts of Outstanding Derivatives) (Details) - Designated as Hedging Instrument [Member] gal in Millions, MMcf in Millions |
3 Months Ended | |
|---|---|---|
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Sep. 30, 2019
gal
MMcf
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Dec. 31, 2018
gal
MMcf
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| Natural Gas [Member] | Ìý | Ìý |
| Derivative [Line Items] | Ìý | Ìý |
| Derivative, Nonmonetary Notional Amount, Volume | MMcf | 7.0 | 1.8 |
| Diesel [Member] | Ìý | Ìý |
| Derivative [Line Items] | Ìý | Ìý |
| Derivative, Nonmonetary Notional Amount, Volume | gal | 2.4 | 11.0 |
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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. No definition available.
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- Definition Nominal volume used to calculate payments on a derivative instrument. No definition available.
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