Recent Accounting Guidance	12 Months Ended
Dec. 31, 2011
Recent Accounting Guidance [Abstract]
Recent Accounting Guidance [Text Block]	RECENT ACCOUNTING GUIDANCE Recently Adopted Accounting Guidance On January 1, 2011, the Corporation adopted Accounting Standard Update (“ASU”) 2009-13, “Revenue Recognition (Topic 605): Multiple-Deliverable Revenue Arrangements – a consensus of the FASB Emerging Issues Task Force.” This ASU amended the criteria for when to evaluate individual delivered items in a multiple deliverable arrangement and how to allocate consideration received. The adoption of this guidance did not have a material impact on the Corporation’s consolidated financial statements. Accounting Guidance Issued But Not Adopted as of December 31, 2011 In December 2011, the Financial Accounting Standards Board ("FASB") issued ASU 2011-11, "Balance Sheet (Topic 210): Disclosures about Offsetting Assets and Liabilities," which requires entities to disclose both gross and net information about both instruments and transactions eligible for offset in the statement of financial position and instruments and transactions subject to an agreement similar to a master netting agreement. The objective of the disclosure is to facilitate comparison between those entities that prepare their financial statements on the basis of U.S. GAAP and those entities that prepare their financial statements on the basis of International Financial Reporting Standards ("IFRS"). This ASU is effective for fiscal years, and interim periods within those years, beginning on or after January 1, 2013. A retrospective presentation for all comparative periods presented is required. The Corporation is currently evaluating the impact of adopting this guidance. In June 2011, the FASB issued ASU 2011-05, "Comprehensive Income (Topic 220): Presentation of Comprehensive Income," which improves the comparability, consistency and transparency of financial reporting and increases the prominence of items reported in other comprehensive income. This ASU is effective for fiscal years, and interim periods within those years, beginning on or after December 15, 2011 although early adoption is permitted. In December 2011, the FASB issued ASU 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," which defers certain aspects of ASU 2011-05 related to the presentation of reclassification adjustments. The adoption of the revised guidance on January 1, 2012 is not expected to have a material impact on the Corporation's consolidated financial statements. The new presentation will be included in the Corporation's Quarterly Reporting on Form 10-Q for the quarter ended March 31, 2012. In May 2011, the FASB issued ASU 2011-04, "Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRS," which provides common requirements for measuring fair value and disclosing information about fair value measurements in accordance with U.S. GAAP and IFRS. This ASU is effective for fiscal years, and interim periods within those years, beginning on or after December 15, 2011. The adoption of this guidance on January 1, 2012 is not expected to have a material impact on the Corporation's consolidated financial statements. The applicable enhanced disclosures will be included in the Corporation's Quarterly Reporting on Form 10-Q for the quarter ended March 31, 2012.

RECENT ACCOUNTING GUIDANCE

Recently Adopted Accounting Guidance

On January 1, 2011, the Corporation adopted Accounting Standard Update (“ASU”) 2009-13, “Revenue Recognition (Topic 605): Multiple-Deliverable Revenue Arrangements – a consensus of the FASB Emerging Issues Task Force.” This ASU amended the criteria for when to evaluate individual delivered items in a multiple deliverable arrangement and how to allocate consideration received. The adoption of this guidance did not have a material impact on the Corporation’s consolidated financial statements.

Accounting Guidance Issued But Not Adopted as of December 31, 2011

In December 2011, the Financial Accounting Standards Board ("FASB") issued ASU 2011-11, "Balance Sheet (Topic 210): Disclosures about Offsetting Assets and Liabilities," which requires entities to disclose both gross and net information about both instruments and transactions eligible for offset in the statement of financial position and instruments and transactions subject to an agreement similar to a master netting agreement. The objective of the disclosure is to facilitate comparison between those entities that prepare their financial statements on the basis of U.S. GAAP and those entities that prepare their financial statements on the basis of International Financial Reporting Standards ("IFRS"). This ASU is effective for fiscal years, and interim periods within those years, beginning on or after January 1, 2013. A retrospective presentation for all comparative periods presented is required. The Corporation is currently evaluating the impact of adopting this guidance.

In June 2011, the FASB issued ASU 2011-05, "Comprehensive Income (Topic 220): Presentation of Comprehensive Income," which improves the comparability, consistency and transparency of financial reporting and increases the prominence of items reported in other comprehensive income. This ASU is effective for fiscal years, and interim periods within those years, beginning on or after December 15, 2011 although early adoption is permitted. In December 2011, the FASB issued ASU 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," which defers certain aspects of ASU 2011-05 related to the presentation of reclassification adjustments. The adoption of the revised guidance on January 1, 2012 is not expected to have a material impact on the Corporation's consolidated financial statements. The new presentation will be included in the Corporation's Quarterly Reporting on Form 10-Q for the quarter ended March 31, 2012.

In May 2011, the FASB issued ASU 2011-04, "Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRS," which provides common requirements for measuring fair value and disclosing information about fair value measurements in accordance with U.S. GAAP and IFRS. This ASU is effective for fiscal years, and interim periods within those years, beginning on or after December 15, 2011. The adoption of this guidance on January 1, 2012 is not expected to have a material impact on the Corporation's consolidated financial statements. The applicable enhanced disclosures will be included in the Corporation's Quarterly Reporting on Form 10-Q for the quarter ended March 31, 2012.