Recent Accounting Pronouncements	3 Months Ended
Mar. 31, 2012
Notes To Financial Statements [Abstract]
Recent Accounting Pronouncements	Recent Accounting Pronouncements Impact of Recently Issued Accounting Standards In June 2011, the FASB has issued Accounting Standards Update (ASU) No. 2011-05, Comprehensive Income (Topic 220): Presentation of Comprehensive Income. This ASU allows an entity the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In both choices, an entity is required to present each component of net income along with total net income, each component of other comprehensive income along with a total for other comprehensive income, and a total amount for comprehensive income. ASU 2011-05 eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders' equity. The amendments do not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. ASU 2011-05 will be applied retrospectively. The amendments are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. We adopted ASU 2011-05 during the reporting period ended December 31, 2011, and this changes the presentation of our financial statements but not our consolidated financial condition or results of operations taken as a whole. In November 2011, the FASB issued Accounting Standards Update (ASU) No. 2011-12, Comprehensive Income (Topic 220): Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05. This ASU supersedes certain paragraphs in ASU 2011-05 addressing reclassification adjustments out of accumulated other comprehensive income. The effective dates and expected changes to our presentation are the same as noted in ASU 2011-05 above. In May 2011, the FASB has issued Accounting Standards Update (ASU) No. 2011-04, Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs. The amendments change the wording, mainly for clarification, used to describe many of the requirements in U.S. GAAP for measuring fair value and for disclosing information about fair value measurements. For many of the requirements, the Board does not intend for the amendments in this update to result in a change in the application of the requirements in Topic 820. The amendments in this ASU are to be applied prospectively. The amendments are effective during interim and annual periods beginning after December 15, 2011. We have adopted ASU 2011-04 for the interim and annual periods of fiscal year 2012. The adoption of ASU 2011-04 does not have a material impact on our consolidated financial condition or results of operations taken as a whole.

Recent Accounting Pronouncements

Impact of Recently Issued Accounting Standards

In June 2011, the FASB has issued Accounting Standards Update (ASU) No. 2011-05, Comprehensive Income (Topic 220): Presentation of Comprehensive Income. This ASU allows an entity the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In both choices, an entity is required to present each component of net income along with total net income, each component of other comprehensive income along with a total for other comprehensive income, and a total amount for comprehensive income. ASU 2011-05 eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders' equity. The amendments do not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. ASU 2011-05 will be applied retrospectively. The amendments are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. We adopted ASU 2011-05 during the reporting period ended December 31, 2011, and this changes the presentation of our financial statements but not our consolidated financial condition or results of operations taken as a whole.

In November 2011, the FASB issued Accounting Standards Update (ASU) No. 2011-12, Comprehensive Income (Topic 220): Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05. This ASU supersedes certain paragraphs in ASU 2011-05 addressing reclassification adjustments out of accumulated other comprehensive income. The effective dates and expected changes to our presentation are the same as noted in ASU 2011-05 above.

In May 2011, the FASB has issued Accounting Standards Update (ASU) No. 2011-04, Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs. The amendments change the wording, mainly for clarification, used to describe many of the requirements in U.S. GAAP for measuring fair value and for disclosing information about fair value measurements. For many of the requirements, the Board does not intend for the amendments in this update to result in a change in the application of the requirements in Topic 820. The amendments in this ASU are to be applied prospectively. The amendments are effective during interim and annual periods beginning after December 15, 2011. We have adopted ASU 2011-04 for the interim and annual periods of fiscal year 2012. The adoption of ASU 2011-04 does not have a material impact on our consolidated financial condition or results of operations taken as a whole.