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and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect","description":"Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes effect from exchange rate changes.","units":{"USD":[{"start":"2014-01-01","end":"2014-09-30","val":-5680000,"accn":"0001193125-15-368383","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"start":"2015-01-01","end":"2015-09-30","val":-3913000,"accn":"0001193125-15-368383","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"}]}},"CashCashEquivalentsAndShortTermInvestments":{"label":"Cash, Cash Equivalents, and Short-term Investments","description":"Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.","units":{"USD":[{"end":"2012-12-31","val":22800000,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012Q4I"}]}},"CashEquivalentsAtCarryingValue":{"label":"Cash Equivalents, at Carrying Value","description":"Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2011-12-31","val":12619000,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2011Q4I"},{"end":"2012-12-31","val":17307000,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2012Q4I"}]}},"ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1":{"label":"Class of Warrant or Right, Exercise Price of Warrants or Rights","description":"Exercise price per share or per unit of warrants or rights outstanding.","units":{"USD/shares":[{"end":"2014-03-31","val":0.01,"accn":"0001193125-14-300729","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-07"},{"end":"2014-03-31","val":0.01,"accn":"0001193125-14-398545","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05"},{"end":"2014-03-31","val":0.01,"accn":"0001193125-15-091455","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-03-31","val":0.01,"accn":"0001193125-15-180138","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11"},{"end":"2014-03-31","val":0.01,"accn":"0001193125-15-281111","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-06"},{"end":"2014-03-31","val":0.01,"accn":"0001193125-15-368383","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-05"},{"end":"2014-03-31","val":0.01,"accn":"0001564590-16-015401","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-28","frame":"CY2014Q1I"}]}},"ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights":{"label":"Class of Warrant or Right, Number of Securities Called by Warrants or Rights","description":"Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 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Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common 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These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2010-12-31","val":59766328,"accn":"0001193125-12-109810","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":72136338,"accn":"0001193125-12-109810","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-12"},{"end":"2011-12-31","val":7213592,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2011Q4I"},{"end":"2012-02-23","val":4400000,"accn":"0001193125-12-344097","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-02-23","val":4400000,"accn":"0001193125-12-454548","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-06","frame":"CY2012Q1I"},{"end":"2012-07-23","val":80429,"accn":"0001193125-12-344097","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-12-31","val":15767525,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26"},{"end":"2012-12-31","val":15767525,"accn":"0001193125-14-114451","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-25","frame":"CY2012Q4I"},{"end":"2013-12-31","val":17279804,"accn":"0001193125-14-114451","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-25"},{"end":"2013-12-31","val":17279804,"accn":"0001193125-15-091455","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":19404697,"accn":"0001193125-15-091455","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":19404697,"accn":"0001564590-16-015401","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-28","frame":"CY2014Q4I"},{"end":"2015-12-31","val":19577729,"accn":"0001564590-16-015401","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-28","frame":"CY2015Q4I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2010-12-31","val":59766328,"accn":"0001193125-12-109810","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-12","frame":"CY2010Q4I"},{"end":"2011-12-31","val":72136338,"accn":"0001193125-12-109810","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-12"},{"end":"2011-12-31","val":7213592,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26","frame":"CY2011Q4I"},{"end":"2012-12-31","val":15767525,"accn":"0001193125-13-126906","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-26"},{"end":"2012-12-31","val":15767525,"accn":"0001193125-14-114451","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-25","frame":"CY2012Q4I"},{"end":"2013-12-31","val":17279804,"accn":"0001193125-14-114451","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-25"},{"end":"2013-12-31","val":17279804,"accn":"0001193125-15-091455","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":19404697,"accn":"0001193125-15-091455","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-13"},{"end":"2014-12-31","val":19404697,"accn":"0001564590-16-015401","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-28","frame":"CY2014Q4I"},{"end":"2015-12-31","val":19577729,"accn":"0001564590-16-015401","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-28","frame":"CY2015Q4I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' 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Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":-13987000,"accn":"0001193125-12-109810","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-12","frame":"CY2009"},{"start":"2000-12-19","end":"2011-06-30","val":-45089000,"accn":"0000950123-11-074410","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2000-12-19","end":"2011-09-30","val":-45089000,"accn":"0001193125-11-299809","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07"},{"start":"2000-12-19","end":"2011-12-31","val":-45089000,"accn":"0001193125-12-109810","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-12"},{"start":"2000-12-19","end":"2012-03-31","val":-45089000,"accn":"0001193125-12-225637","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10"},{"start":"2000-12-19","end":"2012-06-30","val":-45089000,"accn":"0001193125-12-344097","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2000-12-19","end":"2012-09-30","val":-45089000,"accn":"0001193125-12-454548","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-06"}]}},"NotesIssued1":{"label":"Notes Issued","description":"The fair value of notes issued in noncash investing and financing 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