3.4.0.3 html 26 97 1 false 7 0 false 6 false false R1.htm 000100 - Document - Document and Entity Information Sheet http://grahamgaifb.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 010000 - Statement - Consolidated Statements of Financial Condition (Unaudited) Sheet http://grahamgaifb.com/role/ConsolidatedStatementsOfFinancialConditionUnaudited Consolidated Statements of Financial Condition (Unaudited) Statements 2 false false R3.htm 010100 - Statement - Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) Sheet http://grahamgaifb.com/role/ConsolidatedStatementsOfFinancialConditionUnauditedParenthetical Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) Statements 3 false false R4.htm 020000 - Statement - Consolidated Statements of Operations (Unaudited) Sheet http://grahamgaifb.com/role/ConsolidatedStatementsOfOperationsUnaudited Consolidated Statements of Operations (Unaudited) Statements 4 false false R5.htm 030000 - Statement - Consolidated Statements of Changes in Members' Capital (Unaudited) Sheet http://grahamgaifb.com/role/ConsolidatedStatementsOfChangesInMembersCapitalUnaudited Consolidated Statements of Changes in Members' Capital (Unaudited) Statements 5 false false R6.htm 040000 - Statement - Consolidated Statements of Cash Flows (Unaudited) Sheet http://grahamgaifb.com/role/ConsolidatedStatementsOfCashFlowsUnaudited Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 060100 - Disclosure - Organization and Business Sheet http://grahamgaifb.com/role/OrganizationAndBusiness Organization and Business Notes 7 false false R8.htm 060200 - Disclosure - Summary of Significant Accounting Policies Sheet http://grahamgaifb.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 060300 - Disclosure - Capital Accounts Sheet http://grahamgaifb.com/role/CapitalAccounts Capital Accounts Notes 9 false false R10.htm 060400 - Disclosure - Fees and Related Party Transactions Sheet http://grahamgaifb.com/role/FeesAndRelatedPartyTransactions Fees and Related Party Transactions Notes 10 false false R11.htm 060500 - Disclosure - Income Taxes Sheet http://grahamgaifb.com/role/IncomeTaxes Income Taxes Notes 11 false false R12.htm 060600 - Disclosure - Financial Highlights Sheet http://grahamgaifb.com/role/FinancialHighlights Financial Highlights Notes 12 false false R13.htm 060700 - Disclosure - Subsequent Events Sheet http://grahamgaifb.com/role/SubsequentEvents Subsequent Events Notes 13 false false R14.htm 070200 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://grahamgaifb.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://grahamgaifb.com/role/SummaryOfSignificantAccountingPolicies 14 false false R15.htm 080400 - Disclosure - Fees and Related Party Transactions (Tables) Sheet http://grahamgaifb.com/role/FeesAndRelatedPartyTransactionsTables Fees and Related Party Transactions (Tables) Tables http://grahamgaifb.com/role/FeesAndRelatedPartyTransactions 15 false false R16.htm 080600 - Disclosure - Financial Highlights (Tables) Sheet http://grahamgaifb.com/role/FinancialHighlightsTables Financial Highlights (Tables) Tables http://grahamgaifb.com/role/FinancialHighlights 16 false false R17.htm 090100 - Disclosure - Organization and Business (Details) Sheet http://grahamgaifb.com/role/OrganizationAndBusinessDetails Organization and Business (Details) Details http://grahamgaifb.com/role/OrganizationAndBusiness 17 false false R18.htm 090200 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://grahamgaifb.com/role/SummaryOfSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://grahamgaifb.com/role/SummaryOfSignificantAccountingPoliciesPolicies 18 false false R19.htm 090300 - Disclosure - Capital Accounts (Details) Sheet http://grahamgaifb.com/role/CapitalAccountsDetails Capital Accounts (Details) Details http://grahamgaifb.com/role/CapitalAccounts 19 false false R20.htm 090400 - Disclosure - Fees and Related Party Transactions (Details) Sheet http://grahamgaifb.com/role/FeesAndRelatedPartyTransactionsDetails Fees and Related Party Transactions (Details) Details http://grahamgaifb.com/role/FeesAndRelatedPartyTransactionsTables 20 false false R21.htm 090600 - Disclosure - Financial Highlights (Details) Sheet http://grahamgaifb.com/role/FinancialHighlightsDetails Financial Highlights (Details) Details http://grahamgaifb.com/role/FinancialHighlightsTables 21 false false R22.htm 090700 - Disclosure - Subsequent Events (Details) Sheet http://grahamgaifb.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://grahamgaifb.com/role/SubsequentEvents 22 false false All Reports Book All Reports gaifb-20160331.xml gaifb-20160331.xsd gaifb-20160331_cal.xml gaifb-20160331_def.xml gaifb-20160331_lab.xml gaifb-20160331_pre.xml true true