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For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2013-03-31","val":136154000,"accn":"0001193125-14-228438","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-06","frame":"CY2013Q1I"},{"end":"2014-03-31","val":136688000,"accn":"0001193125-14-228438","fy":2014,"fp":"FY","form":"10-K","filed":"2014-06-06"},{"end":"2014-03-31","val":136688000,"accn":"0001193125-14-299312","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-07"},{"end":"2014-03-31","val":136688000,"accn":"0001193125-14-399792","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-06"},{"end":"2014-03-31","val":136688000,"accn":"0001193125-15-036367","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-06","frame":"CY2014Q1I"},{"end":"2014-06-30","val":267063000,"accn":"0001193125-14-299312","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-08-07","frame":"CY2014Q2I"},{"end":"2014-09-30","val":268056000,"accn":"0001193125-14-399792","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-11-06","frame":"CY2014Q3I"},{"end":"2014-12-31","val":273265000,"accn":"0001193125-15-036367","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-02-06","frame":"CY2014Q4I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in 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