COMMITMENTS AND CONTINGENCIES (Commitments Due) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Property, Plant and Equipment [Member]
Long-term Purchase Commitment [Line Items]
2015	$ 34,401
Thereafter	0
Total	34,401
Noncapital [Member]
Long-term Purchase Commitment [Line Items]
2015	23,348
2016-2017	4,891
2018–2019	3,880
Thereafter	6,000
Total	$ 38,119

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Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25383-109308

+ Details

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- Definition

Amount of the recorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of the recorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of the recorded unconditional purchase obligation maturing in the fourth and fifth year after the current fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of the recorded unconditional purchase obligation maturing in the second and third year after the current fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of the recorded unconditional purchase obligation maturing after the first fiscal years following the latest fiscal year.

+ References

No definition available.

+ Details

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- Details

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