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Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"start":"2010-01-01","end":"2010-12-31","val":9267040,"accn":"0001193125-13-105322","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-13","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":9267040,"accn":"0001193125-12-115015","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-14"},{"start":"2010-01-01","end":"2010-12-31","val":9267040,"accn":"0001193125-11-311072","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14"},{"start":"2010-01-01","end":"2010-12-31","val":9267040,"accn":"0001193125-11-244604","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-09-09"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-12-460127","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-12-378962","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-04"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001193125-12-378962","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2012-09-04"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0001193125-12-460127","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":220787270,"accn":"0001193125-13-105322","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-13","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":220787270,"accn":"0001193125-12-115015","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-14"},{"start":"2010-01-01","end":"2010-12-31","val":220787270,"accn":"0001193125-11-311072","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14"},{"start":"2010-01-01","end":"2010-12-31","val":220787270,"accn":"0001193125-11-244604","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-09-09"}]}},"StockRepurchasedDuringPeriodShares":{"label":"Stock Repurchased During Period, Shares","description":"Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury 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Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. 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