Variable Interest Entities (Policies)	6 Months Ended
Variable Interest Entities (Policies)	Jun. 30, 2012
Variable Interest Entities [Abstract]
Consolidation, variable interest entity, policy	The Company consolidates variable interest entities in which it is deemed to have a controlling financial interest as a result of the Company having (1) the power to direct the activities that most significantly impact the entity’s economic performance and (2) the obligation to absorb the losses or the right to receive the benefits that could potentially be significant to the variable interest entity. If the Company has a controlling financial interest in a variable interest entity, the assets, liabilities, and results of the operations of the variable interest entity are included in the consolidated financial statements.

Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 167

-Paragraph 24

-Subparagraph e

-Appendix D

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-URI http://asc.fasb.org/subtopic&trid=2197480

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 46R

-Paragraph 14, 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 167

-Paragraph 22E

-Subparagraph a

-Appendix D

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=7880789&loc=SL6759068-111685

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