2.4.0.81056 - Disclosure - Variable Interest Entities - Net (Losses) Gains from Investment Activities of Consolidated VIEs (Detail)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$eol_PE756155--1310-Q0009_STD_94_20130630_0http://www.sec.gov/CIK0001411494duration2013-03-29T00:00:002013-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$eol_PE756155--1310-Q0009_STD_91_20120630_0http://www.sec.gov/CIK0001411494duration2012-04-01T00:00:002012-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$eol_PE756155--1310-Q0009_STD_181_20130630_0http://www.sec.gov/CIK0001411494duration2013-01-01T00:00:002013-06-30T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false 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2us-gaap_VariableInterestEntityInitialConsolidationGainOrLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse-105193000-105193falsefalsefalse2truefalsefalse-5672000-5672falsefalsefalse3truefalsefalse-29143000-29143falsefalsefalse4truefalsefalse6663200066632falsefalsefalsexbrli:monetaryItemTypemonetaryThe gain (loss) recognized on initial consolidation of a variable interest entity (VIE) when the VIE is not a business (as defined).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685 true2Net (losses) gains from investment activities5false 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