2.4.0.82405402 - Disclosure - Investments in Mesquite Narrative (Details)truefalsefalse1false USDfalsefalse$D2011Q3August01_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ck0001405621_MesquiteGamingLLCMemberhttp://www.sec.gov/CIK0001405621duration2011-07-30T00:00:002011-08-02T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse1false USDtruefalse$D2011Q3August01_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ck0001405621_MesquiteGamingLLCMemberhttp://www.sec.gov/CIK0001405621duration2011-07-30T00:00:002011-08-02T00:00:00falsefalseMesquiteus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldick0001405621_MesquiteGamingLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Mesquite2true 3us-gaap_ScheduleOfEquityMethodInvestmentsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Schedule of Equity Method Investments [Line Items]3false 4us-gaap_PaymentsToAcquireEquityMethodInvestmentsus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse82222228222222USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Cash payment to acquire equity method investmentfalseInvestments in Mesquite Narrative (Details) (Mesquite, USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.0001405621.com/role/InvestmentsInMesquiteNarrativeDetails13