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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Starboard Investment Trust
Prospectus Date rr_ProspectusDate Jul. 23, 2013
Roumell Opportunistic Value Fund | Institutional Class
 
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed On Purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
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) rr_RedemptionFeeOverRedemption (1.00%)
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fees rr_ManagementFeesOverAssets 0.92%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.84%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.07% [1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.83%
Less Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 0.53% [2]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.30%
1 Year rr_ExpenseExampleYear01 $ 132
3 Years rr_ExpenseExampleYear03 524
5 Years rr_ExpenseExampleYear05 941
10 Years rr_ExpenseExampleYear10 2,104
Annual Return 2011 rr_AnnualReturn2011 (11.69%)
Annual Return 2012 rr_AnnualReturn2012 12.98%
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 Sep. 30, 2012
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 11.91%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest return for a quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 5.07%
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 (12.24%)
Past 1 Year rr_AverageAnnualReturnYear01 12.98%
Since Inception rr_AverageAnnualReturnSinceInception (0.11%)
Roumell Opportunistic Value Fund | Institutional Class | After taxes on distributions
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 12.68%
Since Inception rr_AverageAnnualReturnSinceInception (0.39%)
Roumell Opportunistic Value Fund | Institutional Class | After taxes on distributions and sale of shares
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 10.40%
Since Inception rr_AverageAnnualReturnSinceInception (0.22%)
Roumell Opportunistic Value Fund | Class A
 
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed On Purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.50%
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) rr_RedemptionFeeOverRedemption (1.00%)
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fees rr_ManagementFeesOverAssets 0.92%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.84%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.07% [1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.08%
Less Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 0.53% [2]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.55%
1 Year rr_ExpenseExampleYear01 601
3 Years rr_ExpenseExampleYear03 1,024
5 Years rr_ExpenseExampleYear05 1,472
10 Years rr_ExpenseExampleYear10 2,712
Past 1 Year rr_AverageAnnualReturnYear01 7.61%
Since Inception rr_AverageAnnualReturnSinceInception (2.61%)
Roumell Opportunistic Value Fund | Class C
 
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed On Purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a % of the lesser of amount purchased or redeemed) rr_MaximumDeferredSalesChargeOverOther 1.00%
Redemption Fee (as a % of amount redeemed) rr_RedemptionFeeOverRedemption (1.00%)
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fees rr_ManagementFeesOverAssets 0.92%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.84%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.07% [1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.83%
Less Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 0.53% [2]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 2.30%
1 Year rr_ExpenseExampleYear01 333
3 Years rr_ExpenseExampleYear03 827
5 Years rr_ExpenseExampleYear05 1,447
10 Years rr_ExpenseExampleYear10 3,119
Roumell Opportunistic Value 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 January 1, 2015
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 49.34%
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 $50,000 in the Fund.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
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 Example.
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.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus
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 on the following page provide an indication of the risks of investing in the Fund by showing changes in the performance of the Institutional Class Shares from year to year and by showing how the Fund's average annual total returns of compare to that of a broad-based securities market index.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress http://www.roumellfund.com
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
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns Periods Ended December 31, 2012 (returns with maximum sales charge)
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 Narrative rr_PerformanceTableNarrativeTextBlock
Roumell Opportunistic Value Fund | Benchmark of 60% Russell 2000 Value Index & 40% Barclays Capital U.S. Government/Credit Index (reflects no deductions for fees and expenses)
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 12.31%
Since Inception rr_AverageAnnualReturnSinceInception 6.07%
Roumell Opportunistic Value Fund | Russell 2000 Value Index (reflects no deductions for fees and expenses)
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 18.05%
Since Inception rr_AverageAnnualReturnSinceInception 5.61%
Roumell Opportunistic Value Fund | Barclays Capital U.S. Government/Credit Index (reflects no deductions for fees and expenses)
 
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 4.82%
Since Inception rr_AverageAnnualReturnSinceInception 6.75%
[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 has entered into a Fund Accounting and Administration Agreement with the Fund that runs through January 1, 2015. The agreement can only be terminated prior to that date at the discretion of the Fund's Board of Trustees. The Fund's administrator receives payments under the agreement at a maximum annual rate of 0.31%. In conjunction with the Fund Accounting and Administration Agreement, the Advisor has entered into an Operating Plan with the Fund's administrator, also through January 1, 2015, under which it has agreed to (i) to pay the administrator a fee based on the daily average net assets of the Fund when net assets are below $77 million; (ii) if these payments are less than a designated minimum, then the Advisor pays a fee that makes up the difference; and (iii) to assume expenses of the Fund outlined in the Operating Plan that are not covered by the fee paid under Fund Accounting and Administration Agreement. These measures are intended to limit the Fund's operating expenses to 1.23% of the average daily net assets, exclusive of brokerage fees and commissions, portfolio transaction fees, registration fees taxes, borrowing costs (such as interest or dividend expenses on securities sold short), acquired fund fees and expenses, extraordinary expenses, and distribution and/or service (12b-1) fees. The Fund's net expense ratio will be higher than 1.23% to the extent the Fund incurs expenses excluded from this arrangement. The Operating Plan can only be terminated prior to the conclusion of the current term with the approval of the Fund's Board of Trustees.