2.2.0.25truefalse0100032 - Document - Risk/Return Summary - Sterling Capital Short Term Bond Fund (Class Institutional) {Unlabeled}falsefalsetrue1falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : Sterling Capital Short-Term Bond Fund {dei_LegalEntityAxis} : Prospectus, Institutional Class 2/2/2010 - 2/1/2011 TwelveMonthsEnded_01Feb2011_S000003547_Member_Prospectus_Two_Institutional_Class_Memberhttp://www.sec.gov/CIK0000889284duration2010-02-02T00:00:002011-02-01T00:00:00falsefalsebicax_S000003547Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsebicax_ProspectusTwoInstitutionalClassMemberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusTwoInstitutionalClassMemberdei_LegalEntityAxisexplicitMember1false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://bbtfunds.com/role/riskreturnsummarysterlingcapitalshorttermbondfundclassinstitutional1falsefalsefalse00Sterling Capital Short-Term Bond Fund | Prospectus, Institutional ClassSterling Capital Short-Term Bond Fund | Prospectus, Institutional Classfalsefalsefalsefalsefalse1falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : Sterling Capital Short-Term Bond Fund {dei_LegalEntityAxis} : Prospectus, Institutional Class 2/2/2010 - 2/1/2011 TwelveMonthsEnded_01Feb2011_S000003547_Member_Prospectus_Two_Institutional_Class_Memberhttp://www.sec.gov/CIK0000889284duration2010-02-02T00:00:002011-02-01T00:00:00falsefalsebicax_S000003547Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsebicax_ProspectusTwoInstitutionalClassMemberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusTwoInstitutionalClassMemberdei_LegalEntityAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseSterling Capital Short-Term Bond Fund | Prospectus, Institutional Class3false0bicax_SupplementAnnualFundOperatingExpensesTextBlockbicaxfalsenadurationSupplement Annual Fund Operating Expenses Text Block.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<p>Institutional Prospectus</p> <p>The following replaces the text under the heading “Fee Table — Annual Fund Operating Expenses” with respect to the Fund in the Institutional Prospectus:</p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Annual Fund Operating Expenses Text Block.No authoritative reference available.falsefalseSupplement Annual Fund Operating Expenses [Text Block]4false0rr_OperatingExpensesCaptionrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)[1]falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 7 -Subsection table falsefalseOperating Expenses Caption [Text]5false0rr_AnnualFundOperatingExpensesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/AnnualFundOperatingExpensesSterlingCapitalShortTermBondFundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_Two_Institutional_Class_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsefalse<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/AnnualFundOperatingExpensesSterlingCapitalShortTermBondFundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_Two_Institutional_Class_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsehttp://bbtfunds.com/role/AnnualFundOperatingExpensesSterlingCapitalShortTermBondFundClassInstitutionalfalsefalse0200232 - Schedule - Annual Fund Operating Expenses - Sterling Capital Short-Term Bond Fund (Class Institutional)truefalsefalse1falseColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2010-02-02T00:00:002011-02-01T00:00:00falsefalseSterling Capital Short-Term Bond Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseProspectus, Institutional Classdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusTwoInstitutionalClassMemberdei_LegalEntityAxisexplicitMemberfalsefalseClass Institutional, Sterling Capital Short-Term Bond Fundrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldibicax_C000009857Memberrr_ProspectusShareClassAxisexplicitMemberSterling Capital Short-Term Bond FundProspectus, Institutional ClassClass Institutional, Sterling Capital Short-Term Bond FundUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*4false0rr_OperatingExpensesColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Institutional SharesfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 7 -Subsection table falsefalseOperating Expenses Column [Text]0rr_OperatingExpensesColumnNametruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Institutional SharesInstitutional SharesfalsefalsefalsetruefalseOthernanafalsefalseOperating Expenses Column [Text]2falseRowprimaryElement*5false0rr_ManagementFeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00340.0034falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 3 -Subparagraph a -Subsection instructions falsefalseManagement Fees0rr_ManagementFeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00340.0034falsefalsefalsetruefalseOthernanafalsefalseManagement Fees3falseRowprimaryElement*6false0rr_DistributionAndService12b1FeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 9 -Subsection table falsefalseDistribution and Service (12b-1) Fees0rr_DistributionAndService12b1FeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalseDistribution and Service (12b-1) Fees4falseRowprimaryElement*7false0rr_OtherExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00250.0025falsefalsefalsetruefalseOtherrr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 3 -Subparagraph c -Clause i -Subsection instructions falsefalseOther Expenses0rr_OtherExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00250.0025falsefalsefalsetruefalseOthernanafalsefalseOther Expenses5falseRowprimaryElement*8false0rr_ExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00590.0059falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 3 -Subparagraph d -Subsection instructions falsefalseTotal Annual Fund Operating Expenses0rr_ExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00590.0059falsefalsefalsetruefalseOthernanafalsefalseTotal Annual Fund Operating Expenses6falseRowprimaryElement*9false0rr_FeeWaiverOrReimbursementOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue-0.0004-0.0004[1]falsefalsefalsetruefalseOtherrr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseFee Waiver or Expense Reimbursement0rr_FeeWaiverOrReimbursementOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue-0.0004-0.0004falsefalsefalsetruefalseOthernanafalsefalseFee Waiver or Expense Reimbursement7falseRowprimaryElement*10false0rr_NetExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00550.0055[1],[2]falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseTotal Annual Fund Operating Expenses After Fee Waiver or Expense Reimbursement0rr_NetExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1][2]1truetruetrue0.00550.0055falsefalsefalsetruefalseOthernanafalsefalseTotal Annual Fund Operating Expenses After Fee Waiver or Expense Reimbursement1The Fund's Adviser has contractually agreed to limit the management fees paid by the Fund to 0.30% for the period from March 1, 2011 through January 31, 2012. The contractual limitation may be terminated during this period only by the Fund, and will automatically terminate upon termination of the Investment Advisory Agreement between the Fund and the Adviser.2The Fund's operating expenses have been restated to reflect a reduction in management fees, effective as of March 1, 2011, as if such reduction had been in effect during the fiscal year ended September 30, 2010. The information has been restated to better reflect anticipated expenses of the Fund.17Annual Fund Operating Expenses - Sterling Capital Short-Term Bond Fund (Class Institutional) UnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.No authoritative reference available.falsefalseAnnual Fund Operating Expenses [Table]6false0bicax_SupplementExpenseExampleTextBlockbicaxfalsenadurationSupplement Expense Example Text Block.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00In addition, the following replaces the text under the heading “Example” with respect to the Fund:falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Expense Example Text Block.No authoritative reference available.falsefalseSupplement Expense Example [Text Block]7false0rr_ExpenseExampleHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00ExamplefalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringHeading for Expense Example.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions falsefalseExpense Example [Heading]8false0rr_ExpenseExampleNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except for the expiration of the current contractual expense limitation on January 31, 2012. Although your actual costs may be higher or lower, based on these assumptions your costs would be:falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 1 -Subsection example falsefalseExpense Example Narrative [Text Block]9false0rr_ExpenseExampleWithRedemptionTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ExpenseExampleSterlingCapitalShortTermBondFundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_Two_Institutional_Class_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsefalse<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ExpenseExampleSterlingCapitalShortTermBondFundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_Two_Institutional_Class_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>truehttp://bbtfunds.com/role/ExpenseExampleSterlingCapitalShortTermBondFundClassInstitutionalfalsefalse0200332 - Schedule - Expense Example - Sterling Capital Short-Term Bond Fund (Class Institutional) {Transposed}truefalsefalse1falseColumnprimaryElement*4false0rr_ExpenseExampleByYearColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Institutional SharesfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalseExpense Example, By Year, Column [Text]falseUSDfalsefalse$2falseColumnprimaryElement*5false0rr_ExpenseExampleYear01rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue5757falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions falsefalse1 YearfalseUSDfalsefalse$3falseColumnprimaryElement*6false0rr_ExpenseExampleYear03rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue185185falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalse3 YearsfalseUSDfalsefalse$4falseColumnprimaryElement*7false0rr_ExpenseExampleYear05rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue326326falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalse5 YearsfalseUSDfalsefalse$5falseColumnprimaryElement*8false0rr_ExpenseExampleYear10rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue734734falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalse10 YearsfalseUSDfalsefalse$1falseRowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2010-02-02T00:00:002011-02-01T00:00:00falsefalseSterling Capital Short-Term Bond Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseProspectus, Institutional Classdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusTwoInstitutionalClassMemberdei_LegalEntityAxisexplicitMemberfalsefalseClass Institutional, Sterling Capital Short-Term Bond Fundrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldibicax_C000009857Memberrr_ProspectusShareClassAxisexplicitMemberSterling Capital Short-Term Bond FundProspectus, Institutional ClassClass Institutional, Sterling Capital Short-Term Bond FundUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Institutional SharesInstitutional Sharesfalsefalsefalsetruefalse2truefalsetrue5757falsefalsefalsetruefalse3truefalsetrue185185falsefalsefalsetruefalse4truefalsetrue326326falsefalsefalsetruefalse5truefalsetrue734734falsefalsefalsetruefalseOthernanafalsefalseSterling Capital Short-Term Bond Fund Prospectus, Institutional Class Class Institutional, Sterling Capital Short-Term Bond Fund51Expense Example - Sterling Capital Short-Term Bond Fund (Class Institutional) (USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumnprimaryElement*RowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No authoritative reference available.falsefalseExpense Example, With Redemption [Table]10false0bicax_SupplementPrincipalStrategyTextBlockbicaxfalsenadurationSupplement Principal Strategy Text Block.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<p>Retail Prospectus and Institutional Prospectus </p> <p>The second and third paragraphs under the heading “Strategy, Risks and Performance — Principal Strategy” with respect to the Fund are replaced with the following: </p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Principal Strategy Text Block.No authoritative reference available.falsefalseSupplement Principal Strategy [Text Block]11false0rr_StrategyNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<p>The Fund invests primarily in the following types of fixed income securities: (i) corporate debt securities, including bonds, notes and debentures, issued by U.S. companies that are investment grade (i.e., rated at the time of purchase in one of the four highest rating categories by a nationally recognized statistical rating organization, or are determined by the portfolio manager to be of comparable quality); (ii) securities issued or guaranteed by the U.S. Government or its agencies and instrumentalities, some of which may be subject to repurchase agreements; (iii) investment grade mortgage-backed securities, including collateralized mortgage obligations; (iv) investment grade asset-backed securities; and (v) U.S. dollar-denominated foreign and emerging market securities. The Fund may invest up to 15% of its total assets in bonds that are below investment grade, which are commonly referred to as “high yield” or “junk” bonds, and non-dollar denominated foreign and emerging market securities. The Fund will maintain an average duration between 1 and 3 years. </p> <p>The Fund may invest in certain types of derivative instruments for hedging and investment purposes. Although the Fund may invest in derivatives of any kind, the Fund currently expects to invest in futures contracts and forward foreign currency contracts to gain efficient investment exposures as an alternative to cash investments or to hedge against portfolio exposures, and credit default swaps and interest rate swaps to gain indirect exposure to interest rates, issuers, or currencies, or to hedge against portfolio exposures. Additionally, the Fund will invest in municipal securities, convertible securities, including convertible bonds and preferred stocks, and cash equivalents.</p><p>Please contact your financial advisor or Sterling Capital Funds at 1-800-228-1872 if you have any questions. </p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a falsefalseStrategy Narrative [Text Block]1The Fund's operating expenses have been restated to reflect a reduction in management fees, effective as of March 1, 2011, as if such reduction had been in effect during the fiscal year ended September 30, 2010. The information has been restated to better reflect anticipated expenses of the Fund.110Risk/Return Summary - Sterling Capital Short Term Bond Fund (Class Institutional) (Sterling Capital Short-Term Bond Fund, Prospectus, Institutional Class)UnKnownUnKnownUnKnownUnKnownfalsetrue