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Alternate caption for the concept is permanent 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period.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":14103000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2012-01-01","end":"2012-12-31","val":14103000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2012-01-01","end":"2012-12-31","val":14103000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":3318315,"accn":"0001144204-13-039118","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-07-11"},{"start":"2013-01-01","end":"2013-03-31","val":3318000,"accn":"0001144204-14-030045","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-13","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":3318315,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-06-30","val":3318000,"accn":"0001144204-14-048507","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2013-01-01","end":"2013-09-30","val":3318315,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-09-30","val":3318000,"accn":"0001144204-14-066094","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2013-01-01","end":"2013-12-31","val":3318000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2013-01-01","end":"2013-12-31","val":3318000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":3318000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueIssuedForServices":{"label":"Stock 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Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":210000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26","frame":"CY2013"}]}},"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":"2013-01-01","end":"2013-06-30","val":54239539,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-09-30","val":54328607,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":54363000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2013-01-01","end":"2013-12-31","val":54363000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":54363000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2013"},{"start":"2014-01-01","end":"2014-03-31","val":147285000,"accn":"0001144204-14-030045","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-13","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":147220000,"accn":"0001144204-14-048507","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"start":"2014-01-01","end":"2014-09-30","val":147220000,"accn":"0001144204-14-066094","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"start":"2014-01-01","end":"2014-12-31","val":147130000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2014-01-01","end":"2014-12-31","val":147130000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2014"}]}},"StockIssuedDuringPeriodValueShareBasedCompensation":{"label":"Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture","description":"Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2013-01-01","end":"2013-06-30","val":105000,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-09-30","val":157500,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":210000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":210000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueShareBasedCompensationGross":{"label":"Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture","description":"Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":1261000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26","frame":"CY2013"}]}},"StockIssuedDuringPeriodValueStockDividend":{"label":"Stock Issued During Period, Value, Stock Dividend","description":"Value of stock issued to shareholders as a dividend during the period.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":64000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26","frame":"CY2012"}]}},"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":"2012-01-01","end":"2012-12-31","val":-376000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2012-01-01","end":"2012-12-31","val":-376000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2012-01-01","end":"2012-12-31","val":-376000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2012"},{"start":"2013-01-01","end":"2013-03-31","val":-46982,"accn":"0001144204-13-039118","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-07-11","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":-46982,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-09-30","val":-46982,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":-47000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2013-01-01","end":"2013-12-31","val":-47000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":-47000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2013"}]}},"TemporaryEquityCarryingAmountAttributableToParent":{"label":"Temporary Equity, Carrying Amount, Attributable to Parent","description":"Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. 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Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2012-12-31","val":26802814,"accn":"0001144204-13-039118","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-07-11"},{"end":"2012-12-31","val":26802814,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":26802814,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":26803000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26","frame":"CY2012Q4I"},{"end":"2013-12-31","val":3000,"accn":"0001144204-14-030045","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-13"},{"end":"2013-12-31","val":3000,"accn":"0001144204-14-048507","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2013Q4I"},{"end":"2014-03-31","val":3000,"accn":"0001144204-14-030045","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-13","frame":"CY2014Q1I"},{"end":"2014-06-30","val":3000,"accn":"0001144204-14-048507","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"}]}},"TemporaryEquityEliminationAsPartofReorganization":{"label":"Temporary Equity, Elimination as Part of Reorganization","description":"Redemption of temporary equity as the result of a triggering event associated with the temporary equity.","units":{"USD":[{"start":"2013-01-01","end":"2013-03-31","val":46250134,"accn":"0001144204-13-039118","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-07-11","frame":"CY2013Q1"},{"start":"2013-01-01","end":"2013-06-30","val":46250134,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"start":"2013-01-01","end":"2013-09-30","val":46250134,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"start":"2013-01-01","end":"2013-12-31","val":46250000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2013-01-01","end":"2013-12-31","val":46250000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2013-01-01","end":"2013-12-31","val":46250000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2013"}]}},"TemporaryEquityOtherChanges":{"label":"Temporary Equity, Other Changes","description":"Amount of increase (decrease) in temporary equity from changes classified as other.","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":-37696000,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26"},{"start":"2012-01-01","end":"2012-12-31","val":-37696000,"accn":"0001144204-15-015956","fy":2014,"fp":"Q4","form":"10-K","filed":"2015-03-13"},{"start":"2012-01-01","end":"2012-12-31","val":-37696000,"accn":"0001144204-15-018176","fy":2014,"fp":"Q4","form":"10-K/A","filed":"2015-03-25","frame":"CY2012"}]}},"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":"2012-12-31","val":0.01,"accn":"0001144204-14-017973","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-26","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0.01,"accn":"0001144204-13-060190","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-12"},{"end":"2012-12-31","val":0.01,"accn":"0001144204-13-045203","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":0.01,"accn":"0001144204-13-039118","fy":2013,"fp":"Q1","form":"10-Q/A","filed":"2013-07-11"}]}},"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. 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