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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
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Loss Contingencies [Line Items] |  |
Accrual for Environmental Loss Contingencies | $ 3,600,000 | $ 5,500,000
Securities Lawsuit [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency Accrual | 84,000,000 |
Putative Class Action [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency Accrual | 10,000,000 |
Derivative Lawsuits [Member] |  |
Loss Contingencies [Line Items] |  |
Loss Contingency Accrual | $ 775,000 |

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