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Basis Of Presentation And Summary Of Significant Accounting Policies (Policy)
3 Months Ended
Mar. 31, 2012
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]  
Recent Accounting Pronouncements
Fair Value Of Financial Instruments

Fair Value of Financial Instruments

To meet the reporting requirements of Accounting Standard Codification ("ASC") 825, Financial Instruments, regarding fair value of financial instruments, CCA calculates the estimated fair value of financial instruments using market interest rates and quoted market prices of similar instruments or discounted cash flow techniques with observable Level 2 inputs, as defined in ASC 820, "Fair Value Measurement".