COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES Purchase Obligations (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Unrecorded Unconditional Purchase Obligation [Line Items]
Purchase obligations, Total	$ 3,201
Purchase obligations, Due in Less Than One Year	3,055
Purchase obligations, Due in One Year to Less Than Three Years	146
Purchase obligations, Due in Three Years to Less Than Five Years	0
Purchase obligations, Due in More Than Five Years	$ 0

The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation to be paid within one year of the balance sheet date.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 7

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25336-109308

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- Definition

The amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation as of the balance sheet date.

+ References

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- Definition

The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation to be paid after five years from the balance sheet date.

+ References

No definition available.

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- Definition

Unrecorded Unconditional Purchase Obligation, Due in One to Less Than Three Years

+ References

No definition available.

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- Definition

Unrecorded Unconditional Purchase Obligation, Due in Three Years to Less Than Five Years

+ References

No definition available.

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