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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Starboard Investment Trust
Prospectus Date rr_ProspectusDate Jan. 28, 2018
QCI Balanced Fund | Institutional Class  
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 0.75%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.44%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02% [1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.21%
Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 0.19% [2]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.02%
1 Year rr_ExpenseExampleYear01 $ 104
3 Years rr_ExpenseExampleYear03 365
5 Years rr_ExpenseExampleYear05 647
10 Years rr_ExpenseExampleYear10 $ 1,449
Past 1 Year rr_AverageAnnualReturnYear01 11.12%
Since Inception rr_AverageAnnualReturnSinceInception 6.05%
QCI Balanced Fund | Institutional Class | After taxes on distributions  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 10.66%
Since Inception rr_AverageAnnualReturnSinceInception 5.61%
QCI Balanced Fund | Institutional Class | After taxes on distributions and sale of shares  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 6.28%
Since Inception rr_AverageAnnualReturnSinceInception 4.72%
QCI Balanced Fund | Retail Class  
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 0.75%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.44%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02% [1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.46%
Fee Waiver and/or Expense Limitation rr_FeeWaiverOrReimbursementOverAssets 0.19% [2]
Net Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.27%
1 Year rr_ExpenseExampleYear01 $ 129
3 Years rr_ExpenseExampleYear03 443
5 Years rr_ExpenseExampleYear05 779
10 Years rr_ExpenseExampleYear10 $ 1,730
QCI Balanced Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading QCI Balanced Fund
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 31, 2019
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio).  A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account.  These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 29.19 % of the average value of its portfolio.

Portfolio Turnover, Rate rr_PortfolioTurnoverRate 29.19%
Acquired Fund Fees and Expenses, Based on Estimates [Text] rr_AcquiredFundFeesAndExpensesBasedOnEstimates "Acquired Fund Fees and Expenses" are based on estimated expenses for the current fiscal year.
Expense Example [Heading] rr_ExpenseExampleHeading
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
Strategy [Heading] rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

The Fund seeks to balance current income and principal conservation with the opportunity for long-term growth.  QCI Asset Management, Inc. (the "Advisor") seeks to achieve the Fund's investment objective by investing in a diverse portfolio of corporate, agency, and U.S. Government fixed income securities, preferred stock, common stock of primarily large and mid-capitalization issuers, and derivative securities.  Allocation to equity and fixed income securities will range from 25% to 75% of assets.  Depending on market conditions, the allocation of the Fund's assets may range from approximately 25% in equity securities and 75% in fixed income securities to 75% in equity securities and 25% in fixed income securities.  Derivative instruments, consisting of option contracts, are used to hedge the Fund's portfolio in order to reduce the impact of general market fluctuations. The Advisor shall manage the Fund so that the Fund will not be deemed to be a "commodity pool operator" under the Commodity Exchange Act.  The Fund may invest in these securities directly or indirectly through investments in other investment companies, consisting of exchange traded funds ("ETFs") and index funds.  The Fund will not be limited by market capitalization or sector criteria.  The Fund may hold up to 10% of its net assets in cash in the normal course of business when the Fund receives dividends or distributions and has not reinvested the proceeds in a security the Advisor believes is favorable for the portfolio which may also be used to pay fees and expenses of the Fund.

Equity selection is based on securities analysts' recommendations coupled with the Advisor's fundamental research. Equity investments will consist primarily of large and mid-capitalization companies.

Fixed income securities will primarily consist of investment grade issues. The Fund may invest up to 10% of the portfolio in fixed income securities that are rated below investment grade by one or more Nationally Recognized Securities Rating Organizations ("NRSROs") (commonly known as high-yield debt securities).

Securities are sold when, in the view of the Advisor, market valuation has approached the estimated full or fair market valuation of that security, and the remaining predicted small upside potential does not justify continuing to hold that security due to relative downside risk. A fundamental change in the prospects for a particular security or issuer may also be a primary factor for the Advisor in determining whether to sell a portfolio security.

The Fund's investment policy may be changed without shareholder approval upon sixty (60) days' prior written notice to shareholders.

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 INFORMATION

Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following bar chart and table shown provide an indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual total returns compare to those of a broad-based securities market index.The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.   Updated information on the Fund's results can be obtained by visiting www.ncfunds.com.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart and table shown provide an indication of the risks of investing in the Fund by showing changes in the Fund's performance from year to year and by showing how the Fund's average annual total returns compare to those of a broad-based securities market index.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.ncfunds.com.
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading

Calendar Year Returns

 

Annual Return 2015 rr_AnnualReturn2015 (1.53%)
Annual Return 2016 rr_AnnualReturn2016 6.87%
Annual Return 2017 rr_AnnualReturn2017 11.12%
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Quarterly Returns During This Time Period
Highest return for a quarter
4.16%
Quarter ended
December 29, 2017
Lowest return for a quarter
-3.24%
Quarter ended
September 30, 2015
 Year-to-Date return as of most recent quarter  11.12%
Quarter ended
December 31, 2017
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 Dec. 31, 2017
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 11.12%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest return for a quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 29, 2017
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 4.16%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest return for a quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2015
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (3.24%)
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns Period Ended December 31, 2017
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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 One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown 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 an individual retirement account (IRA) or 401(k) plan.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
QCI Balanced Fund | Lipper Flexible Portfolio Funds (reflects no deductions for fees and expenses)  
Risk/Return: rr_RiskReturnAbstract  
Past 1 Year rr_AverageAnnualReturnYear01 10.43%
Since Inception rr_AverageAnnualReturnSinceInception 1.07%
[1] "Acquired Fund" means any investment company in which the Fund invests or has invested during the period. Since the Fund is newly organized, "Acquired Fund Fees and Expenses" are based on estimated expenses for the current fiscal year.
[2] The Fund's investment advisor, QCI Asset Management, Inc. (the "Advisor") has entered into an Expense Limitation Agreement with the Fund under which it has agreed to waive or reduce its fees and to assume other expenses of the Fund, if necessary, in an amount that limits the Fund's annual operating expenses (exclusive of interest, taxes, brokerage fees and commissions, extraordinary expenses, payments under the Rule 12b-1 distribution plan, and acquired fund fees and expenses) to not more than 1.00% of the average daily net assets of the Fund. The Expense Limitation Agreement runs through January 31, 2019 , and may be terminated by the Board of Trustees of the Fund (the "Board" or the "Trustees") at any time. The Advisor cannot recoup from the Fund any amounts paid by the Advisor under the Expense Limitation Agreement. Further, net annual operating expenses for the Fund may exceed those contemplated by the waiver due to acquired fund fees and other expenses that are not waived under the Expense Limitation Agreement.