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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Starboard Investment Trust
Prospectus Date rr_ProspectusDate Jun. 28, 2016
Institutional And Advisor Class | Arin Large Cap Theta Fund | Institutional Class Shares  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed On Purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Redemption Fee rr_RedemptionFeeOverRedemption none
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 3.21%
Interest and Dividends on Securities Sold Short rr_Component1OtherExpensesOverAssets 0.01% [1]
Other Operating Expenses rr_Component2OtherExpensesOverAssets 3.20%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.08% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 3.69%
Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 2.92% [3]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.77%
1 Year rr_ExpenseExampleYear01 $ 79
3 Years rr_ExpenseExampleYear03 858
5 Years rr_ExpenseExampleYear05 1,658
10 Years rr_ExpenseExampleYear10 $ 3,751
Annual Return 2014 rr_AnnualReturn2014 2.96%
Annual Return 2015 rr_AnnualReturn2015 3.43%
Year to Date Return, Label rr_YearToDateReturnLabel Year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Mar. 31, 2016
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (0.67%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2013
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 5.53%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2015
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (1.41%)
Past 1 Year rr_AverageAnnualReturnYear01 3.43%
Since Inception rr_AverageAnnualReturnSinceInception 5.25% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 14, 2013
Institutional And Advisor Class | Arin Large Cap Theta Fund | Institutional Class Shares | After taxes on distributions  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 1.97%
Since Inception rr_AverageAnnualReturnSinceInception 4.27% [4]
Institutional And Advisor Class | Arin Large Cap Theta Fund | Institutional Class Shares | After taxes on distributions and sale of shares  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 2.76%
Since Inception rr_AverageAnnualReturnSinceInception 3.95% [4]
Institutional And Advisor Class | Arin Large Cap Theta Fund | Advisor Class Shares  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed On Purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Redemption Fee rr_RedemptionFeeOverRedemption none
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fees rr_ManagementFeesOverAssets 0.40%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.40%
Other Expenses rr_OtherExpensesOverAssets 3.21%
Interest and Dividends on Securities Sold Short rr_Component1OtherExpensesOverAssets 0.01% [1]
Other Operating Expenses rr_Component2OtherExpensesOverAssets 3.20%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.08% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 4.09%
Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 2.92% [3]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.17%
1 Year rr_ExpenseExampleYear01 $ 119
3 Years rr_ExpenseExampleYear03 976
5 Years rr_ExpenseExampleYear05 1,849
10 Years rr_ExpenseExampleYear10 $ 4,101
Past 1 Year rr_AverageAnnualReturnYear01 3.03%
Since Inception rr_AverageAnnualReturnSinceInception 5.44% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Sep. 03, 2013
Institutional And Advisor Class | Arin Large Cap Theta 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 June 30, 2017
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock
Portfolio Turnover, Rate rr_PortfolioTurnoverRate none
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements because the financial statements include only the direct operating expenses incurred by the Fund.
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 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 average annual total returns of each class compare to that of a broad-based securities market index.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.ncfunds.com/fundpages/332.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 Closing [Text Block] rr_BarChartClosingTextBlock

Quarterly Returns

Highest and Lowest Returns During This Time Period

Highest return for a quarter

5.53%

Quarter ended 
December 31, 2013

Lowest return for a quarter

-1.41

Quarter ended 
September 30, 2015

Year-to-date return as of most recent quarter

-0.67%

Quarter ended 
March 31, 2016

 

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 Narrative rr_PerformanceTableNarrativeTextBlock
Institutional And Advisor Class | Arin Large Cap Theta Fund | S&P 500 Total Return Index (reflects no deductions for fees and expenses)  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 1.38%
Since Inception rr_AverageAnnualReturnSinceInception 10.71% [4]
[1] "Interest and Dividends on Securities Sold Short" reflect interest expense and dividends paid on borrowed securities. Interest expense results from the Fund's use of prime brokerage arrangements to execute short sales. Dividends paid on borrowed securities are an expense of short sales. Such expenses are required to be treated as a Fund expense for accounting purposes and are not payable to the Fund or the Adviser. Any interest expense amount or dividends paid on securities sold short will vary based on the Fund's use of those investments.
[2] "Acquired Fund Fees and Expenses" are the indirect costs of investing in other investment companies. The operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements because the financial statements include only the direct operating expenses incurred by the Fund.
[3] The Fund's administrator has entered into a Fund Accounting and Administration Agreement with the Fund that covers the regular operating expenses of the Fund for an inclusive fee of 0.28% (with the exception of management fees, distribution and/or service (12b-1) fees, expenses on short sales, acquired fund fees and expenses, and extraordinary expenses), even if such operating expenses exceed the inclusive fee. The agreement runs through June 30, 2017 and can only be terminated prior to that date at the discretion of the Fund's Board of Trustees. The Fund's administrator cannot recoup from the Fund any regular operating expenses in excess of the inclusive fee. In conjunction with the Fund Accounting and Administration Agreement, the Advisor has entered into an Operating Plan with the Fund's administrator, also through June 30, 2017, under which it has agreed to make payments to the administrator when the Fund is at lower asset levels and to assume certain expenses of the Fund outlined in the Operating Plan. 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. The Advisor cannot recoup from the Fund any amounts paid under the Operating Plan.
[4] The Institutional Class Shares commenced operations on August 14, 2013. The Advisor Class Shares commenced operations on September 3, 2013.