Fair Value Measurements (Details Textuals) (USD $)	3 Months Ended	9 Months Ended
	Mar. 31, 2010	Sep. 30, 2011 rate countries
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Independent pricing services to assist in determining fair value		99.00%
Gain recognized on termination of interest in insurance contract	$ 8,000,000