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The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in 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OfTax":{"label":"Comprehensive 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umber of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"Segment":[{"start":"2012-01-01","end":"2012-06-30","val":1,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"start":"2012-01-01","end":"2012-09-30","val":1,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07"},{"start":"2012-01-01","end":"2012-12-31","val":1,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":1,"accn":"0001193125-13-185465","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-04-30","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":1,"accn":"0001193125-13-312823","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-07-31"},{"start":"2013-01-01","end":"2013-09-30","val":1,"accn":"0001193125-13-432209","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":1,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":1,"accn":"0001193125-14-170862","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-30","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":1,"accn":"0001193125-14-286049","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-07-30"},{"start":"2014-01-01","end":"2014-09-30","val":1,"accn":"0001193125-14-398235","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05"},{"start":"2014-01-01","end":"2014-12-31","val":1,"accn":"0001193125-15-062554","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-25"},{"start":"2014-01-01","end":"2014-12-31","val":1,"accn":"0001193125-15-403044","fy":null,"fp":null,"form":"8-K/A","filed":"2015-12-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":1,"accn":"0001193125-15-162108","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-30","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":1,"accn":"0001193125-15-278808","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":1,"accn":"0001193125-15-370091","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":1,"accn":"0001193125-15-403044","fy":null,"fp":null,"form":"8-K/A","filed":"2015-12-15"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. 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DuringPeriodTax":{"label":"OCI, 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This element is used when state law does not recognize treasury stock.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-17872000,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29","frame":"CY2009"}]}},"TemporaryEquityAccretionOfDividends":{"label":"Temporary Equity, Accretion of Dividends","description":"Value of accretion of temporary equity during the period due to unpaid dividends.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-11472000,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29","frame":"CY2009"},{"start":"2010-01-01","end":"2010-12-31","val":-11290000,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":-11290000,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-01-01","end":"2011-06-30","val":-5195000,"accn":"0001193125-11-222457","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15"},{"start":"2011-01-01","end":"2011-09-30","val":-5348000,"accn":"0001193125-11-297099","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2011-01-01","end":"2011-12-31","val":-5348000,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":-5348000,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"start":"2011-01-01","end":"2011-12-31","val":-5348000,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"TemporaryEquityAccretionToRedemptionValue":{"label":"Temporary Equity, Accretion to Redemption Value","description":"Value of accretion of temporary equity to its redemption value during the period.","units":{"USD":[{"start":"2011-06-01","end":"2011-07-05","val":6800000,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"start":"2011-07-06","end":"2011-07-31","val":6800000,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26"}]}},"TemporaryEquityAccretionToRedemptionValueAdjustment":{"label":"Temporary Equity, Accretion to Redemption Value, Adjustment","description":"Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.","units":{"USD":[{"start":"2014-01-01","end":"2014-09-30","val":851000,"accn":"0001193125-14-398235","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05"},{"start":"2014-01-01","end":"2014-09-30","val":851000,"accn":"0001193125-15-370091","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-09-30","val":851000,"accn":"0001193125-15-403044","fy":null,"fp":null,"form":"8-K/A","filed":"2015-12-15"},{"start":"2014-01-01","end":"2014-12-31","val":2421000,"accn":"0001193125-15-062554","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-25"},{"start":"2014-01-01","end":"2014-12-31","val":2421000,"accn":"0001193125-15-162108","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-30"},{"start":"2014-01-01","end":"2014-12-31","val":2421000,"accn":"0001193125-15-278808","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05"},{"start":"2014-01-01","end":"2014-12-31","val":2421000,"accn":"0001193125-15-370091","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2014-01-01","end":"2014-12-31","val":2421000,"accn":"0001193125-15-403044","fy":null,"fp":null,"form":"8-K/A","filed":"2015-12-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":606000,"accn":"0001193125-15-162108","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-30","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":823000,"accn":"0001193125-15-278808","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05"},{"start":"2015-01-01","end":"2015-09-30","val":914000,"accn":"0001193125-15-370091","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"start":"2015-01-01","end":"2015-09-30","val":914000,"accn":"0001193125-15-403044","fy":null,"fp":null,"form":"8-K/A","filed":"2015-12-15"}]}},"TemporaryEquityParOrStatedValuePerShare":{"label":"Temporary Equity, Par or Stated Value Per Share","description":"Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.","units":{"USD/shares":[{"end":"2008-10-31","val":0.0001,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2008Q3I"},{"end":"2008-10-31","val":0.0001,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2010-12-31","val":0.0001,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29","frame":"CY2010Q4I"},{"end":"2011-07-31","val":0.0001,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2011Q2I"},{"end":"2011-07-31","val":0.0001,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2011-12-31","val":0.0001,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2011Q4I"},{"end":"2011-12-31","val":0.0001,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"end":"2011-12-31","val":0.0001,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":0.0001,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-03-31","val":0.0001,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0.0001,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0.0001,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"}]}},"TemporaryEquitySharesAuthorized":{"label":"Temporary Equity, Shares Authorized","description":"The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2008-10-31","val":68836142,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2008Q3I"},{"end":"2008-10-31","val":68836142,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2010-12-31","val":0,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29","frame":"CY2010Q4I"},{"end":"2011-07-31","val":10000000,"accn":"0001193125-14-069760","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26","frame":"CY2011Q2I"},{"end":"2011-07-31","val":10000000,"accn":"0001193125-13-078610","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2011-12-31","val":10000000,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2011Q4I"},{"end":"2011-12-31","val":10000000,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"end":"2011-12-31","val":10000000,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":10000000,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-03-31","val":10000000,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":10000000,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03","frame":"CY2012Q2I"},{"end":"2012-09-30","val":10000000,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"}]}},"TemporaryEquitySharesIssued":{"label":"Temporary Equity, Shares Issued","description":"The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2011-12-31","val":0,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2011Q4I"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-03-31","val":0,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"}]}},"TemporaryEquitySharesOutstanding":{"label":"Temporary Equity, Shares Outstanding","description":"The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2011-12-31","val":0,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2011Q4I"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":0,"accn":"0001193125-12-140044","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-03-31","val":0,"accn":"0001193125-12-212260","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0,"accn":"0001193125-12-333789","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-03","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0,"accn":"0001193125-12-456062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"}]}},"UndistributedEarningsOfForeignSubsidiaries":{"label":"Undistributed Earnings of Foreign 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Tax Benefits","description":"Amount of unrecognized tax 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Tax Benefits, Decrease Resulting from Prior Period Tax Positions","description":"Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax 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