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Recently Issued and Adopted Accounting Pronouncements and Regulatory Items (Policies)	9 Months Ended
	Sep. 30, 2012
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
New Accounting Guidance and Regulatory Items	Recently Issued and Adopted Accounting Pronouncements and Regulatory Items New accounting guidance and regulatory items Balance Sheet - Offsetting In December 2011, the Financial Accounting Standards Board ("FASB") issued its updated guidance on balance sheet offsetting. This new standard provides guidance to determine when offsetting in the balance sheet is appropriate. The guidance is designed to enhance disclosures by requiring improved information about financial instruments and derivative instruments. The goal is to provide users of the financial statements the ability to evaluate the effect or potential effect of netting arrangements on an entity's statement of financial position. This guidance impacts disclosures within an entity's financial statements and notes to the financial statements and does not result in a change to the accounting treatment of financial instruments and derivative instruments. We are required to adopt this guidance on January 1, 2013. We are in the process of evaluating this guidance.