2.4.0.82108100 - Disclosure - Financial Instrumentstruefalsefalse1false falsefalseD2014Q1YTDhttp://www.sec.gov/CIK0001405621duration2013-03-01T00:00:002013-05-31T00:00:001true 1us-gaap_InvestmentsAllOtherInvestmentsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Investments, All Other Investments [Abstract]2false 2us-gaap_FinancialInstrumentsDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Financial Instruments</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Except for cash, the fair value of which equals its carrying value, the only significant financial instruments that the Company has are its investments in unconsolidated investees accounted for using the equity method (for which fair value disclosure is not required) and amounts due to and from the Newport Funds. There is no formal agreement between the Company and the Newport Funds related to the amounts due, including no stated right of offset, repayment terms, and interest rate or method. Accordingly, it is not practical to estimate the fair value of such financial instruments.</font></div></div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures.No definition available.false0Financial InstrumentsfalseFinancial InstrumentsUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.0001405621.com/role/FinancialInstruments12