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ORGANIZATION AND DESCRIPTION OF THE BUSINESS AND FINANCIAL STATEMENT PRESENTATION (Other Accounting Pronouncements) (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 01, 2018 | Mar. 31, 2018 | Mar. 31, 2017
Adopted Accounting Pronouncements |  |  |
Decrease in operating expenses |  | $ 687,276 | $ 660,988
Increase in other cost |  | 2,201 | 1,706
Net income (loss) |  | 9,954 | (7,407)
ASC Topic 715, Compensation – Retirement Benefits | Adjustment |  |  |
Adopted Accounting Pronouncements |  |  |
Decrease in operating expenses |  |  | (2,400)
Increase in other cost |  |  | $ 2,400
Net income (loss) |  | $ 0 |
EPS (in dollars per share) |  | $ 0 |
Accumulated Other Comprehensive Loss | ASC Topic 220, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income |  |  |
Adopted Accounting Pronouncements |  |  |
Reclassification from AOCI to Retained earnings tax effect | $ (3,600) |  |
Retained Earnings |  |  |
Adopted Accounting Pronouncements |  |  |
Net income (loss) |  | $ 9,954 |
Retained Earnings | ASC Topic 220, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income |  |  |
Adopted Accounting Pronouncements |  |  |
Reclassification from AOCI to Retained earnings tax effect | $ 3,600 |  |

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