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Disclosure of Changes in Number of Shares
3 Months Ended
Mar. 31, 2014
Common Stock Member
Mar. 31, 2013
Common Stock Member
Mar. 31, 2014
Preferred Stock Member
Mar. 31, 2013
Preferred Stock Member
Beginning balance 103,435,967 103,193,303 2,006,391 2,006,391
Issuance of stock 58,463 59,715    
Ending balance 103,494,430 103,253,018 2,006,391 2,006,391
Treasury stock - at cost, shares (38,895) (24,403)    
Common Stock - Outstanding 103,455,535 103,228,615