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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Starboard Investment Trust
Prospectus Date rr_ProspectusDate Sep. 28, 2012
Presidio Multi-Strategy Fund | Presidio Multi-Strategy Fund
 
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.25%
Maximum Deferred Sales Charge (Load) (as a % of the lesser of amount purchased or redeemed) rr_MaximumDeferredSalesChargeOverOther none
Redemption Fee (as a % of amount redeemed; charged upon any redemption of shares within 30 days of the issuance of such shares) rr_RedemptionFeeOverRedemption 2.00%
Management Fees rr_ManagementFeesOverAssets 1.00%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 1.92%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.34% [1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 3.51%
Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 1.42% [2]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 2.09%
1 Year rr_ExpenseExampleYear01 750
3 Years rr_ExpenseExampleYear03 1,443
5 Years rr_ExpenseExampleYear05 2,157
10 Years rr_ExpenseExampleYear10 4,036
Annual Return 2011 rr_AnnualReturn2011 2.04%
Year to Date Return, Label rr_YearToDateReturnLabel Year-to-date return as of most recent quarter
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2012
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 0.10%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest return for a quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2010
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 3.80%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest return for a quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (2.85%)
Past 1 Year rr_AverageAnnualReturnYear01 (2.29%)
Since Inception rr_AverageAnnualReturnSinceInception 1.88%
Presidio Multi-Strategy Fund | Presidio Multi-Strategy Fund | After taxes on distributions
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 (3.01%)
Since Inception rr_AverageAnnualReturnSinceInception 0.74%
Presidio Multi-Strategy Fund | Presidio Multi-Strategy Fund | After taxes on distributions and sale of shares
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 (1.49%)
Since Inception rr_AverageAnnualReturnSinceInception 0.94%
Presidio Multi-Strategy Fund
 
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading
Objective [Heading] rr_ObjectiveHeading
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
Expense [Heading] rr_ExpenseHeading
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption
Operating Expenses Caption [Text] rr_OperatingExpensesCaption
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination October 1, 2013
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 4.90%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in the Fund
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 100,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The "Total Annual Fund Operating Expenses" and "Net Annual Fund Operating Expenses" will not match the Fund's gross and net expense ratios reported in the Financial Highlights from the Fund's financial statements, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses
Expense Example [Heading] rr_ExpenseExampleHeading
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
Strategy [Heading] rr_StrategyHeading
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Risk [Heading] rr_RiskHeading
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Risk Lose Money [Text] rr_RiskLoseMoney The loss of your money is a principal risk of investing in the Fund
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and tables shown below provide an indication of the risks of investing in the Fund by showing changes in the performance from year to year and by showing how the Fund's average annual total returns compare to that of a broad-based securities market index
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress http://www.ncfunds.com/fundpages/825.htm
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past performance is not necessarily an indication of how the Fund will perform in the future
Bar Chart [Heading] rr_BarChartHeading
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales loads are not reflected in the chart and table above.  If these amounts were reflected, returns would be less than those shown
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Performance Table Heading rr_PerformanceTableHeading
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor's tax situation and may differ from those shown and are not applicable to investors who hold Fund shares through tax-deferred arrangements such as a 401(k) plan or an individual retirement account (IRA)
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for only one class of shares and after-tax returns will vary for other classes
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
Presidio Multi-Strategy Fund | Benchmark of 50% S&P 500 Total Return Index / 50% Barclays Capital Aggregate Bond Index (reflects no deductions for fees and expenses)
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 4.73%
Since Inception rr_AverageAnnualReturnSinceInception 10.30%
[1] "Acquired Fund" means any investment company in which the Fund invests or has invested during the previous fiscal year. The "Total Annual Fund Operating Expenses" and "Net Annual Fund Operating Expenses" will not match the Fund's gross and net expense ratios reported in the Financial Highlights from the Fund's financial statements, which reflect the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses.
[2] The Fund's administrator ("Administrator") has entered into a Fund Accounting and Administration Agreement with the Fund that runs through October 1, 2013. The agreement can only be terminated prior to that date at the discretion of the Fund's Board of Trustees. The Administrator receives payments under the agreement at a maximum annual rate of 0.50%. In conjunction with the Fund Accounting and Administration Agreement, the Advisor has entered into an Operating Plan with the Administrator, also through October 1, 2013, under which it has agreed to (i) make payments to the administrator based upon the Fund's net assets according to a schedule included in the Operating Plan and (ii) assume certain expenses of the Fund outlined in the Operating Plan. These measures are intended to limit the Fund's operating expenses to 1.50% of the average daily net assets, exclusive of taxes, interest, brokerage fees and commissions, distribution and/or service (12b-1) fees, acquired fund fees and expenses, and extraordinary expense. The Operating Plan can only be terminated at the conclusion of the then-current term by notice of non-renewal to a party or mutual agreement of the parties. The Advisor cannot recoup from the Fund any amounts paid under the Operating Plan.