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Recent Accounting Pronouncements	12 Months Ended
Recent Accounting Pronouncements	Dec. 31, 2011
Recent Accounting Pronouncements [Abstract]
Recent Accounting Pronouncements	3. RECENT ACCOUNTING PRONOUNCEMENTS In January 2010, the FASB issued authoritative guidance, which requires additional disclosures and clarifies certain existing disclosure requirements regarding fair value measurements. This guidance is effective for interim and annual reporting periods beginning after December 15, 2009. The Company adopted this guidance effective January 1, 2010. However, none of the specific additional disclosures were applicable at December 31, 2011. In May 2011, the FASB issued guidance clarifying previous guidance related to fair value measurement. This guidance is effective during interim and annual periods beginning after December 15, 2011. It is effective for the Company's interim period beginning on January 1, 2012. Early application is not permitted. The adoption of this guidance is not expected to have a material impact on the Company's consolidated financial position, results of operations or disclosures.