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Basis of Presentation
6 Months Ended
Jun. 30, 2011
Basis of Presentation [Abstract]  
Basis of Presentation
 
1.   Basis of Presentation
 
The financial information presented as of any date other than December 31 has been prepared from the books and records without audit. Financial information as of December 31 has been derived from the Corporation’s audited consolidated financial statements, but does not include all disclosures required by U.S. generally accepted accounting principles. In the opinion of management, all adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the financial information for the periods indicated have been included. These consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Corporation’s Annual Report on Form 10-K for the fiscal year ended December 31, 2010. The results of operations for the periods ended June 30, 2011 and 2010 are not necessarily indicative of the operating results for the full year.