Financial Instruments and Fair Value Measurements Financial Instruments and Fair Value Measurements (Policies)	12 Months Ended
Dec. 31, 2011
Financial Instruments and Fair Value Measurements [Abstract]
Fair Value of Financial Instruments, Policy [Policy Text Block]	The fair value of debt instruments was based on closing or estimated market prices of the Company’s debt at December 31, 2011 and

Disclosure of accounting policy for determining the fair value of financial instruments.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 8, 10, 12, 13, 14

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 235

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-URI http://asc.fasb.org/subtopic&trid=2155942

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