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Angel Oak Multi-Strategy Income Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading ANGEL OAK MULTI-STRATEGY INCOME FUND
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The investment objective of the Angel Oak Multi-Strategy Income Fund (the “Fund”) is current income.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below. You may qualify for sales charge discounts or waivers if you and your family invest, or agree to invest in the future, at least $100,000 in Class A shares of the Fund. More information about these and other discounts or waivers is available from your financial professional, in the sections “Sales Charges—Class A Shares” on page 43 of the Prospectus, and in “Appendix A—Waivers and Discounts Available from Intermediaries.”
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination May 31, 2025
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
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 operating expenses or in the example above, affect the Fund’s performance. During the most recent fiscal year ended January 31, 2024, the portfolio turnover rate for the Fund was 32% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 32.00%
Expense Example [Heading] rr_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
The following examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem or continue to hold all of your shares at the end of those periods. The examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The expenses below reflect any applicable expense limit and/or fee waiver for the first year only. Although your actual costs may be higher or lower and the Fund’s actual return may be greater or less than the hypothetical 5%, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption If you redeem your shares at the end of each period:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not redeem your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund invests primarily in agency and non-agency residential mortgage-backed securities (“RMBS”), commercial mortgage-backed securities (“CMBS”), collateralized loan obligations (“CLOs”), collateralized debt obligations (“CDOs”), collateralized mortgage obligations (“CMOs”), collateralized bond obligations (“CBOs”), asset-backed securities (“ABS”), including securities backed by assets such as unsecured consumer loans, credit card receivables, student loans, automobile loans, loans financing solar energy systems, and residential and commercial real estate, and other debt securitizations (collectively, “Structured Products”); mortgage loans, secured and unsecured consumer loans, commercial loans and pools of such loans (collectively, “Loans”); corporate debt, including bank-issued subordinated debt; equity securities of banks, real estate investment trusts, or other issuers; and U.S. Treasury and U.S. government agency securities.
The Fund may invest up to 20% of its net assets in CLOs, which are backed by a pool of loans, as well as CDOs, which may be backed by a pool of debt. CLOs and CDOs are similar to CMOs, but differ as to the type of underlying loan or debt.
The Fund may invest in the securities of other investment companies, including those that are part of the same group of investment companies as the Fund, that pursue an investment strategy that supports the Fund’s investment objective.
The Fund will concentrate its investments in agency and non-agency residential mortgage-backed securities (“RMBS”) and commercial mortgage-backed securities (“CMBS”) (collectively, “MBS”). This means that, under normal circumstances, the Fund will invest more than 25% of its total assets in MBS (measured at the time of purchase). The Fund will not concentrate its investments in any other group of industries. The Fund’s policy to concentrate its investments in MBS is fundamental and may not be changed without shareholder approval.
The fixed income instruments in which the Fund invests may include those of issuers from the United States and other countries. The Fund’s investments in foreign debt securities will typically be denominated in U.S. dollars.
The Fund may invest up to 15% of its net assets in investments that are deemed to be illiquid, which may include private placements, certain Rule 144A securities (which are subject to resale restrictions), and securities of issuers that are bankrupt or in default.
The Fund may invest, without limitation, in securities of any maturity and duration. Maturity refers to the length of time until a debt security’s principal is repaid with interest. Duration is a measure used to determine the sensitivity of a security’s price to changes in interest rates that incorporates a security’s yield, coupon, final maturity and call and put features and prepayment exposure into one measure with a higher duration indicating greater sensitivity to interest rates. For example, if a portfolio has a duration of two years, and interest rates increase (fall) by 1%, the portfolio would decline (increase) in value by approximately 2%. However, duration may not accurately reflect the true interest rate sensitivity of instruments held by the Fund and, therefore the Fund’s exposure to changes in interest rates.
The Fund’s investments in RMBS and ABS will span a broad segment of consumer creditworthiness segments, which will include exposure to prime, near-prime, and subprime consumers.
The Fund may invest in high-yield securities and securities that are not rated by any rating agencies. These “high-yield” securities (also known as “junk bonds”) will be rated BB+ or lower by Standard & Poor’s Rating Group (“S&P”) or will be of equivalent quality rating from another Nationally Recognized Statistical Ratings Organization. If a bond is unrated, the Adviser may determine whether it is of comparable quality and therefore eligible for the Fund’s investment. Although the Fund will not acquire investments of issuers that are in default at the time of investment, the Fund may hold such securities if an investment subsequently defaults.
The Fund may implement its strategy by making investments directly or, to comply with certain regulations, through a wholly-owned and controlled subsidiary of the Fund organized as a statutory trust under the laws of the state of Delaware (each, a “Subsidiary”). The Subsidiary may invest in residential and commercial real estate whole loans, participations in such loans or instruments
representing the right to receive interest payments and principal due on such loans. The Subsidiary may invest in residential and commercial real estate loans of any credit rating or no credit rating, including without limit in loans that are rated below investment grade. The principal risks of investments in the Subsidiary are the same as those relating to residential loans and mortgages. See “Residential Loans and Mortgages Risk.” The allocation of the Fund’s investments, if any, in the Subsidiary will vary over time, and the Subsidiary’s investments will also vary and may not include all of the types of investments described above. In the future, the Fund may form one or more additional wholly-owned and controlled subsidiaries.
In pursuing its investment objectives or for hedging purposes, the Fund may utilize short selling, borrowing and various types of derivative instruments, including swaps, futures contracts, and options, although not all such derivatives will be used at all times. Such derivatives may trade over-the-counter or on an exchange and may principally be used for one or more of the following purposes: speculation, currency hedging, duration management, credit deterioration hedging, hedges against broad market movements, or to pursue the Fund’s investment objective. The Fund may borrow to the maximum extent permitted by applicable law. The Fund may also invest in repurchase agreements and borrow through reverse repurchase agreements.
The Fund’s allocation of its assets into various asset classes within its investment strategy will depend on the views of the Adviser as to the best value relative to what is currently presented in the marketplace. Investment decisions are made based on fundamental research and analysis to identify issuers with the ability to improve their credit profile over time with attractive valuations, resulting in both income and potential capital appreciation. In selecting investments, the Adviser may consider maturity, yield and ratings information and opportunities for price appreciation among other criteria. The Adviser also analyzes a variety of factors when selecting investments for the Fund, such as collateral quality, credit support, structure and market conditions. The Adviser attempts to diversify risks that arise from position sizes, geography, ratings, duration, deal structure and collateral values. The Adviser will also seek to invest in securities that have relatively low volatility. The Adviser seeks to limit risk of principal by targeting assets that it considers undervalued. From time to time, the Fund may allocate its assets so as to focus on particular types of securities.
As part of its investment process, the Adviser also considers certain environmental, social and governance (“ESG”) and sustainability factors that it believes could have a material negative or positive impact on the risk profiles of the issuers or underlying collateral assets of certain securities in which the Fund may invest. These determinations may not be conclusive, and securities that may be negatively impacted by such factors may be purchased and retained by the Fund while the Fund may divest or not invest in securities that may be positively impacted by such factors. The Adviser may sell investments if it determines that any of the mentioned factors have changed materially from its initial analysis, that other factors indicate that an investment is no longer earning a return commensurate with its risk, or that a different security will better help the Fund achieve its investment objective.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration The Fund may invest up to 20% of its net assets in CLOs, which are backed by a pool of loans, as well as CDOs, which may be backed by a pool of debt. CLOs and CDOs are similar to CMOs, but differ as to the type of underlying loan or debt. The Fund may invest in the securities of other investment companies, including those that are part of the same group of investment companies as the Fund, that pursue an investment strategy that supports the Fund’s investment objective. The Fund will concentrate its investments in agency and non-agency residential mortgage-backed securities (“RMBS”) and commercial mortgage-backed securities (“CMBS”) (collectively, “MBS”). This means that, under normal circumstances, the Fund will invest more than 25% of its total assets in MBS (measured at the time of purchase). The Fund will not concentrate its investments in any other group of industries. The Fund’s policy to concentrate its investments in MBS is fundamental and may not be changed without shareholder approval. The fixed income instruments in which the Fund invests may include those of issuers from the United States and other countries. The Fund’s investments in foreign debt securities will typically be denominated in U.S. dollars. The Fund may invest up to 15% of its net assets in investments that are deemed to be illiquid, which may include private placements, certain Rule 144A securities (which are subject to resale restrictions), and securities of issuers that are bankrupt or in default.
Risk [Heading] rr_RiskHeading Principal Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The following performance information provides some indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Class A shares of the Fund from year-to-year. The table below shows how the average annual total returns of the Fund’s Class A, Class C, and Institutional Class shares compare over time to those of a broad-based securities market index.
The Fund is the successor to the investment performance of the Angel Oak Multi-Strategy Income Fund (the “Predecessor Multi-Strategy Income Fund”) as a result of the reorganization of the Predecessor Multi-Strategy Income Fund into the Fund on April 10, 2015. Accordingly, the performance information shown below for periods prior to April 10, 2015 is that of the Predecessor Multi-Strategy Income Fund. The Predecessor Multi-Strategy Income Fund was also advised by the Adviser and had the same investment objective, policies, and strategies as the Fund.
Performance information represents only past performance, before and after taxes, and does not necessarily indicate future results. Updated performance information is available online at www.angeloakcapital.com or by calling (855) 751-4324 (toll free).
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following performance information provides some indication of the risks of investing in the Fund.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (855) 751-4324
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.angeloakcapital.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Performance information represents only past performance, before and after taxes, and does not necessarily indicate future results.
Bar Chart [Heading] rr_BarChartHeading Annual Total Returns for Class A Shares(for years ended December 31st)
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Sales loads are not reflected in the bar chart. If these amounts were reflected, returns would be less than those shown.
The calendar year-to-date total return as of March 31, 2024 for the Fund’s Class A shares was 1.74%. During the periods shown in the chart, the highest quarterly return was 7.25% (for the quarter ended June 30, 2020) and the lowest quarterly return was -12.68% (for the quarter ended March 31, 2020).
Performance Table Heading rr_PerformanceTableHeading Angel Oak Multi-Strategy Income Fund Average Annual Total Returns
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 After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for Class A only, and after-tax returns for other classes will vary.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period, since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
NOTE: Class A shares commenced operations on June 28, 2011 as part of the Predecessor Multi-Strategy Income Fund and Institutional Class shares commenced operations on August 16, 2012 as part of the Predecessor Multi-Strategy Income Fund.
1    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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period, since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Class A only, and after-tax returns for other classes will vary.
Angel Oak Multi-Strategy Income Fund | Risk Lose Money [Member]  
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Risk [Text Block] rr_RiskTextBlock There may be circumstances that could prevent the Fund from achieving its investment objective and you may lose money by investing in the Fund.
Angel Oak Multi-Strategy Income Fund | Risk Not Insured Depository Institution [Member]  
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Risk [Text Block] rr_RiskTextBlock An investment in the Fund is not a deposit at a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Angel Oak Multi-Strategy Income Fund | Fixed-Income Instruments Risks Member  
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Risk [Text Block] rr_RiskTextBlock Fixed-Income Instruments Risks. The Fund will invest in fixed-income instruments and securities. Such investments may be secured, partially secured or unsecured and may be unrated, and whether or not rated, may have speculative characteristics. The market price of the Fund’s investments will change in response to changes in interest rates and other factors. Generally, when interest rates rise, the values of fixed-income instruments fall, and vice versa. In typical interest rate environments, the prices of longer-term fixed-income instruments generally fluctuate more than the prices of shorter-term fixed-income instruments as interest rates change. In addition, a fund with a longer average portfolio duration will be more sensitive to changes in interest rates than a fund with a shorter average portfolio duration. A fund with a negative average portfolio duration may decline in value as interest rates decrease. Most high yield investments pay a fixed rate of interest and are therefore vulnerable to inflation risk (inflation rates are currently elevated relative to normal conditions). The obligor of a fixed-income instrument may not be able or willing to pay interest or to repay principal when due in accordance with the terms of the associated agreement.
Angel Oak Multi-Strategy Income Fund | General Market Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock General Market Risk. The capital markets may experience periods of disruption, instability and volatility. Political, geopolitical, natural and other events, including war, terrorism, trade disputes, government shutdowns, market closures, natural and environmental disasters, epidemics, pandemics and other public health crises and related events have led, and in the future may lead, to economic uncertainty, decreased economic activity, increased market volatility and other disruptive effects on U.S. and global economies and markets. Such conditions may materially and adversely affect the markets globally and in the jurisdictions in which the Fund invests, which may have a negative impact on the Fund’s performance. The Fund’s net asset value (“NAV”) and investment return will fluctuate based upon changes in the value of its portfolio securities.
Angel Oak Multi-Strategy Income Fund | Credit Risk Member  
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Risk [Text Block] rr_RiskTextBlock Credit Risk. Credit risk is the risk that the Fund could lose money if the issuer or guarantor of a fixed income security, or the counterparty to a derivative contract, is unable or unwilling to meet its financial obligations.
Angel Oak Multi-Strategy Income Fund | Interest Rate Risk Member  
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Risk [Text Block] rr_RiskTextBlock Interest Rate Risk. The Fund is exposed to risks associated with changes in interest rates, including the possibility that, in a period of rising interest rates, securities may exhibit additional volatility and may lose value.
Angel Oak Multi-Strategy Income Fund | Prepayment Risk Member  
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Risk [Text Block] rr_RiskTextBlock Prepayment Risk. When interest rates decline, fixed income securities with stated interest rates may have the principal paid earlier than expected, requiring the Fund to invest the proceeds at generally lower interest rates.
Angel Oak Multi-Strategy Income Fund | Structured Products Risks Member  
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Risk [Text Block] rr_RiskTextBlock Structured Products Risks. The Fund may invest in Structured Products, including CLOs, CDOs, CMOs, CBOs, and other asset-backed securities and debt securitizations. Some Structured Products have credit ratings, but are typically issued in various classes with various priorities. Normally, Structured Products are privately offered and sold (that is, they are not registered under the securities laws), which means less information about the security may be available as compared to publicly offered securities and only certain institutions may buy and sell them. As a result, investments in Structured Products may be characterized by the Fund as illiquid securities. An active dealer market may exist for Structured Products that qualify for Rule 144A transactions, but there can be no assurance that such a market will exist or will be active enough for the Fund to sell such securities. In addition to the typical risks associated with fixed-income securities and asset-backed securities, CLOs and CDOs carry additional risks including, but not limited to: (i) the possibility that distributions from collateral securities will not be adequate to make interest or other payments; (ii) the risk that the collateral may default, decline in value or quality or be downgraded by a rating agency; (iii) the Fund may invest in tranches of Structured Products that are subordinate to other tranches; (iv) the structure and complexity of the transaction and the legal documents could lead to disputes among investors regarding the characterization of proceeds; (v) risk of forced “fire sale” liquidation due to technical defaults such as coverage test failures; and (vi) the Structured Product’s manager may perform poorly. The senior and junior tranches of Structured Products may have floating or variable interest rates based on LIBOR and are subject to the risks associated with securities tied to LIBOR, including the risks associated with the pending replacement of LIBOR with an alternative reference rate. The Fund may also invest in the equity tranches of a Structured Product, which typically represent the first loss position in the Structured Product, are unrated and are subject to higher risks. Equity tranches of Structured Products typically do not have a fixed coupon and payments on equity tranches will be based on the income received from the underlying collateral and the payments made to the senior tranches, both of which may be based on floating rates based on LIBOR.
Angel Oak Multi-Strategy Income Fund | Borrowing Risks And Leverage Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Borrowing Risks and Leverage Risks. Borrowing for investment purposes creates leverage, which will exaggerate the effect of any change in the value of securities in the Fund’s portfolio on the Fund’s NAV and, therefore, may increase the volatility of the Fund. Money borrowed will be subject to interest and other costs (including commitment fees and/or the cost of maintaining minimum average balances). Unless the income and capital appreciation, if any, on securities acquired with borrowed funds exceed the cost of borrowing, the use of leverage will diminish the investment performance of the Fund.
Angel Oak Multi-Strategy Income Fund | Extension Risk Member  
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Risk [Text Block] rr_RiskTextBlock Extension Risk. An issuer could exercise its right to pay principal on an obligation held by the Fund (such as a mortgage-backed security) later than expected. This may happen when there is a rise in interest rates. Under these circumstances, the value of the obligation will decrease, and the Fund will also suffer from the inability to reinvest in higher yielding securities.
Angel Oak Multi-Strategy Income Fund | Concentration In Certain Mortgage-Backed Securities Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Concentration in Certain Mortgage-Backed Securities Risk. The risks of concentrating in residential mortgage-backed securities (agency and non-agency) and commercial mortgage-backed securities include susceptibility to changes in lending standards, interest rates and lending rates, and the risks associated with the market’s perception of issuers, the creditworthiness of the parties involved and investing in real estate securities.
Angel Oak Multi-Strategy Income Fund | U.S. Government Securities Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock U.S. Government Securities Risks. U.S. government securities are not guaranteed against price movement and may decrease in value. Some U.S. government securities are supported by the full faith and credit of the U.S. Treasury, while others may be supported only by the discretionary authority of the U.S. government to purchase certain obligations of a federal agency or U.S. government sponsored enterprise (“GSE”) or only by the right of the issuer to borrow from the U.S. Treasury. While the U.S. government provides financial support to such agencies and GSEs, no assurance can be given that the U.S. government will always do so. Other obligations are backed solely by the GSE’s own resources. Investments in securities issued by GSEs that are not backed by the U.S. Treasury are subject to higher credit risk than those that are backed by the U.S. Treasury.
Angel Oak Multi-Strategy Income Fund | Mortgage-Backed And Asset-Backed Securities Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Mortgage-Backed and Asset-Backed Securities Risks. Mortgage-backed and other asset-backed securities are subject to the risks of traditional fixed-income instruments. However, they are also subject to prepayment risk and extension risk, meaning that if interest rates fall, the underlying debt may be repaid ahead of schedule, reducing the value of the Fund’s investments and if interest rates rise, there may be fewer prepayments, which would cause the average bond maturity to rise, increasing the potential for the Fund to lose money. Mortgage-backed and other asset-backed securities are also susceptible to changes in lending standards and lending rates. In addition, mortgage-backed securities comprised of subprime mortgages and investments in other asset-backed securities collateralized by subprime loans may be subject to a higher degree of credit risk and valuation risk. Additionally, such securities may be subject to a higher degree of liquidity risk, because the liquidity of such investments may vary dramatically over time.
Certain mortgage-backed securities may be secured by pools of mortgages on single-family, multi-family properties, as well as commercial properties. Similarly, asset-backed securities may be secured by pools of loans, such as corporate loans, student loans, automobile loans and credit card receivables. The credit risk on such securities is affected by homeowners or borrowers defaulting on their loans. The values of assets underlying mortgage-backed and asset-backed securities may decline and therefore may not be adequate to cover underlying investors. Some mortgage-backed and asset-backed securities have experienced extraordinary weakness and volatility in recent years. Possible legislation in the area of residential mortgages,
credit cards, corporate loans and other loans that may collateralize the securities in which the Fund may invest could negatively impact the value of the Fund’s investments. To the extent the Fund focuses its investments in particular types of mortgage-backed or asset-backed securities, the Fund may be more susceptible to risk factors affecting such types of securities.
Angel Oak Multi-Strategy Income Fund | Unrated Securities Risks Member  
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Risk [Text Block] rr_RiskTextBlock Unrated Securities Risks. Unrated securities may be less liquid than comparable rated securities and involve the risk that Angel Oak may not accurately evaluate the security’s comparative credit rating.
Angel Oak Multi-Strategy Income Fund | Residential Loans And Mortgages Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Residential Loans and Mortgages Risk. In addition to interest rate, default and other risks of fixed income securities, investments in whole loans and debt instruments backed by residential loans or mortgages, (or pools of loans or mortgages) carry additional risks, including the possibility that the quality of the collateral may decline in value and the potential for the liquidity of residential loans and mortgages to vary over time. These risks are greater for subprime residential and mortgage loans. Because they do not trade in a liquid market, residential loans typically can only be sold to a limited universe of institutional investors and may be difficult for the Fund to value. In addition, in the event that a loan is foreclosed on, the Fund could become the owner (in whole or in part) of any collateral, which may include, among other things, real estate or other real or personal property, and the Fund would bear the costs and liabilities of owning, holding or disposing of such property.
Angel Oak Multi-Strategy Income Fund | Management Risk Member  
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Risk [Text Block] rr_RiskTextBlock Management Risk. The Fund may not meet its investment objective based on the Adviser’s success or failure to implement investment strategies for the Fund.
Angel Oak Multi-Strategy Income Fund | Sector Risk Member  
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Risk [Text Block] rr_RiskTextBlock Sector Risk. To the extent the Fund invests more heavily in particular sectors of the economy, its performance will be especially sensitive to developments that significantly affect those sectors.
Angel Oak Multi-Strategy Income Fund | Floating Or Variable Rate Securities Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Floating or Variable Rate Securities Risk. Floating or variable rate securities pay interest at rates that adjust in response to changes in a specified interest rate or reset at predetermined dates (such as the end of a calendar quarter). Securities with floating or variable interest rates are generally less sensitive to interest rate changes than securities with fixed interest rates, but may decline in value if their interest rates do not rise as much, or as quickly, as comparable market interest rates. Although floating or variable rate securities are generally less sensitive to interest rate risk than fixed rate securities, they are subject to credit, liquidity and default risk and may be subject to legal or contractual restrictions on resale, which could impair their value.
Angel Oak Multi-Strategy Income Fund | Liquidity And Valuation Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Liquidity and Valuation Risks. It may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to sell securities for what the Adviser believes is the appropriate price of the investment. Valuation of portfolio investments may be difficult, such as during periods of market turmoil or reduced liquidity and for investments that trade infrequently or irregularly. In these and other circumstances, an investment may be valued using fair value methodologies, which are inherently subjective, reflect good faith judgments based on available information and may not accurately estimate the price at which the Fund could sell the investment at that time. Based on its investment strategies, a significant portion of the Fund’s investments can be difficult to value and potentially less liquid and therefore particularly prone to these risks.
Angel Oak Multi-Strategy Income Fund | Other Investment Companies Risks Member  
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Risk [Text Block] rr_RiskTextBlock Other Investment Companies Risks. The Fund will incur higher and duplicative expenses when it invests in mutual funds, exchange-traded funds (“ETFs”), and other investment companies, which may include those that are part of the same group of investment companies as the Fund (“affiliated underlying funds”). There is also the risk that the Fund may suffer losses due to the investment practices of the underlying funds. When the Fund invests in other investment companies, the Fund will be subject to substantially the same risks as those associated with the direct ownership of securities held by such investment companies. ETFs may be less liquid than other investments, and thus their share values more volatile than the values of the investments they hold. Investments in ETFs are also subject to the following risks: (i) the market price of an ETF’s shares may trade above or below their net asset value; (ii) an active trading market for an ETF’s shares may not develop or be maintained; and (iii) trading of an ETF’s shares may be halted for a number of reasons.
The Adviser may be subject to potential conflicts of interest in allocating the Fund’s assets to underlying funds, such as a potential conflict in selecting affiliated underlying funds over unaffiliated underlying funds. In addition, the Fund’s portfolio managers may be subject to potential conflicts of interest in allocating the Fund’s assets among underlying funds, as certain of the Fund’s portfolio managers may also manage an affiliated underlying fund in which the Fund may invest. Both the Adviser and the Fund’s portfolio managers have a fiduciary duty to the Fund to act in the Fund’s best interest when selecting underlying funds. Under the oversight of the Board of Trustees, the Adviser will carefully analyze any such potential conflicts of interest and will take steps to minimize and, where possible, eliminate them.
Angel Oak Multi-Strategy Income Fund | Bank Subordinated Debt Risks Member  
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Risk [Text Block] rr_RiskTextBlock Bank Subordinated Debt Risks. Banks may issue subordinated debt securities, which have a lower priority to full payment behind other more senior debt securities. In addition to the risks generally associated with fixed income instruments (e.g., interest rate risk, credit risk, etc.), bank subordinated debt is also subject to risks inherent to banks. Because banks are highly regulated and operate in a highly competitive environment, it may be difficult for a bank to meet its debt obligations. Banks also may be affected by changes in legislation and regulations applicable to the financial markets. Bank subordinated debt is often issued by smaller community banks that may be overly concentrated in a specific geographic region, lack the capacity to comply with new regulatory requirements or lack adequate capital. Subordinated debt, senior debt and preferred securities of banks and diversified financials companies are subject to the risks generally associated with the financials sector. See “Financials Sector Risk.”
Angel Oak Multi-Strategy Income Fund | Financials Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Financials Sector Risk. The Fund may invest in companies in the financials sector, and therefore the performance of the Fund could be negatively impacted by events affecting this sector. This sector can be significantly affected by changes in interest rates, government regulation, the rate of defaults on corporate, consumer and government debt, the availability and cost of capital, and fallout from the housing and sub-prime mortgage crisis that began in 2007. This sector has experienced significant losses in the past, and the impact of more stringent capital requirements and of past or future regulation on any individual financial company or on the sector as a whole cannot be predicted. In recent years, cyber attacks and technology malfunctions and failures have become increasingly frequent in this sector and have caused significant losses.
Angel Oak Multi-Strategy Income Fund | Rating Agencies Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Rating Agencies Risks. Ratings are not an absolute standard of quality, but rather general indicators that reflect only the view of the originating rating agencies from which an explanation of the significance of such ratings may be obtained. There is no assurance that a particular rating will continue for any given period of time or that any such rating will not be revised downward or withdrawn entirely. Such changes may negatively affect the liquidity or market price of the securities in which the Fund invests. The ratings of Structured Products may not adequately reflect the credit risk of those assets due to their structure.
Angel Oak Multi-Strategy Income Fund | Floating Rate Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Floating Rate Risk. Instruments in which the Fund invests may pay interest at floating rates or may be subject to interest caps or floors tied to floating rates. The Fund and issuers of instruments in which the Fund invests may also obtain financing at floating rates. Derivative instruments utilized by the Fund and/or issuers of instruments in which the Fund may invest may also reference floating rates. The Fund also may utilize leverage or borrowings primarily based on floating rates. Some instruments in which the Fund has invested are or were tied to forms of the London Interbank Offered Rate (“LIBOR”). LIBOR was the basic rate of interest used in lending transactions between banks on the London interbank market and has been widely used as a reference for setting the interest rate on loans globally. As a result of benchmark reforms, publication of most LIBOR settings has ceased. Some LIBOR settings continue to be published but only on a temporary, synthetic and non-representative basis. All such synthetic LIBOR settings are expected to be discontinued by September 30, 2024. When publication of applicable synthetic LIBOR settings ceases, any still outstanding instruments or investments using synthetic LIBOR settings are expected to transition to alternative floating rate benchmarks. Regulated entities have generally ceased entering into new LIBOR contracts in connection with regulatory requirements. As a result of legislative mechanisms and industry-wide efforts to replace LIBOR with alternative floating-rate benchmarks, LIBOR has been replaced with an alternative already in many instruments. The transition from LIBOR may have effects on the value, liquidity or return on certain Fund investments that continue to reference or previously referenced LIBOR. In addition, there may be costs associated with the transition from LIBOR. Any pricing adjustments to the Fund’s investments resulting from the transition to an alternative reference rate may also adversely affect the Fund’s performance and/or NAV. To the extent that any replacement rate differs from that utilized for a Structured Product that holds those securities, the Structured Product would experience an interest rate mismatch between its assets and liabilities. Some instruments that referenced LIBOR were transitioned to alternative reference rates as a result of certain legislative transition mechanisms such as the Adjustable Interest Rate (LIBOR) Act. This law provides a statutory fallback mechanism on a nationwide basis for certain contracts to replace LIBOR with a benchmark rate that is selected by the Board of Governors of the Federal Reserve System based on the Secured Overnight Financing Rate (“SOFR”) where the related contract contains no, or insufficient, fallback provisions. In addition, the transition from LIBOR to any alternative reference rate may also introduce operational risks in the Fund’s accounting, financial reporting, investment servicing, liability management and other aspects of the Fund’s business. Completion of the transition from LIBOR to alternative reference rates could lead to significant short-term and long-term uncertainty and market instability. It remains uncertain how such changes would affect the Fund, issuers of instruments in which the Fund invests and financial markets generally.
Angel Oak Multi-Strategy Income Fund | Large Shareholder Transactions Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Large Shareholder Transactions Risk. Shares of the Fund are offered to certain other investment companies, large retirement plans and other large investors. As a result, the Fund is subject to the risk that those shareholders may purchase or redeem a large amount of shares of the Fund. To satisfy such large shareholder redemptions, the Fund may have to sell portfolio securities at times when it would not otherwise do so, which may negatively impact the Fund’s NAV and liquidity. In addition, large purchases of Fund shares could adversely affect the Fund’s performance to the extent that the Fund does not immediately invest cash it receives and therefore holds more cash than it ordinarily would. Large shareholder activity could also generate increased transaction costs and cause adverse tax consequences.
Angel Oak Multi-Strategy Income Fund | Illiquid Investments Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Illiquid Investments Risks. The Fund may, at times, hold illiquid investments, by virtue of the absence of a readily available market for certain of its investments, or because of legal or contractual restrictions on sales. The Fund could lose money if it is unable to dispose of an investment at a time or price that is most beneficial to the Fund.
Angel Oak Multi-Strategy Income Fund | Regulatory And Legal Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Regulatory and Legal Risks. U.S. and non-U.S. government agencies and other regulators regularly adopt new regulations and legislatures enact new statutes that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation that applies to the Fund. These statutes and regulations may impact the investment strategies, performance, costs and operations of the Fund or the taxation of its shareholders.
Angel Oak Multi-Strategy Income Fund | Community Bank Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Community Bank Risks. The Fund’s investments in community banks may make the Fund more economically vulnerable in the event of a downturn in the banking industry, including economic downturns impacting a particular region. Community banks may also be subject to greater lending risks than larger banks, including the risks associated with mortgage loans, and may have fewer resources to devote towards employing and retaining strong management employees and implementing a thorough compliance program. Additionally, community banks are subject to substantial regulations that could adversely affect their ability to operate and the value of the Fund investments, including from future banking regulations.
Angel Oak Multi-Strategy Income Fund | High-Yield Securities Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock High-Yield Securities Risks. High-yield securities (also known as junk bonds) carry a greater degree of risk and are more volatile than investment grade securities and are considered speculative. High-yield securities may be issued by companies that are restructuring, are smaller and less creditworthy, or are more highly indebted than other companies. This means that they may have more difficulty making scheduled payments of principal and interest. Changes in the value of high-yield securities are influenced more by changes in the financial and business position of the issuing company than by changes in interest rates when compared to investment grade securities. The Fund’s investments in high-yield securities expose it to a substantial degree of credit risk.
Angel Oak Multi-Strategy Income Fund | Reverse Repurchase Agreement Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Reverse Repurchase Agreement Risks. A reverse repurchase agreement is the sale by the Fund of a debt obligation to a party for a specified price, with the simultaneous agreement by the Fund to repurchase that debt obligation from that party on a future date at a higher price. Similar to borrowing, reverse repurchase agreements provide the Fund with cash for investment purposes, which creates leverage and subjects the Fund to the risks of leverage. Reverse repurchase agreements also involve the risk that the other party may fail to return the securities in a timely manner or at all. The Fund could lose money if it is unable to recover the securities and/or if the value of collateral held by the Fund, including the value of the investments made with cash collateral, is less than the value of securities.
Angel Oak Multi-Strategy Income Fund | Derivatives Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Derivatives Risks. The Fund’s derivatives and other similar instruments (collectively referred to in this section as “derivatives” or “derivative instruments”) have risks, including the imperfect correlation between the value of such instruments and the underlying assets, rate or index; the loss of principal, including the potential loss of amounts greater than the initial amount invested in the derivative instrument; the possible default of the other party to the transaction; and illiquidity of the derivative investments. Changes in the value of a derivative may also create margin delivery or settlement payment obligations for the Fund. If a counterparty becomes bankrupt or otherwise fails to perform its obligations under a derivative contract due to financial difficulties, the Fund may experience significant delays in obtaining any recovery under the derivative contract in a bankruptcy or other reorganization proceeding. Certain derivatives may give rise to a form of leverage. Leverage magnifies the potential for gain and the risk of loss. The use of derivatives is also subject to operational risk which refers to risk related to potential operational issues, including documentation issues, settlement issues, system failures, inadequate controls, and human error, as well as legal risk which refers to the risk of loss resulting from insufficient documentation, insufficient capacity or authority of counterparty, or legality or enforceability of a contract. Derivatives are also subject to market risk which refers to the risk that markets could experience a change in volatility that adversely impacts fund returns and the fund’s obligations and exposures. Certain of the Fund’s transactions in derivatives could also affect the amount, timing and character of distributions to shareholders, which may result in the Fund realizing more short-term capital gain and ordinary income subject to tax at ordinary income tax rates than it would if it did not engage in such transactions, which may adversely impact the Fund’s after-tax returns.
The derivative instruments and techniques that the Fund may principally use include:
◦Futures. A futures contract is a standardized agreement to buy or sell a specific quantity of an underlying instrument at a specific price at a specific future time. A decision as to whether, when and how to use futures involves the exercise of skill and judgment and even a well-conceived futures transaction may be unsuccessful because of market behavior or unexpected events. In addition to the derivatives risks discussed above, the prices of futures can be highly volatile, using futures can lower total return, and the potential loss from futures can exceed the Fund’s initial investment in such contracts.
◦Options. If the Fund buys an option, it buys a legal contract giving it the right to buy or sell a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium paid by the Fund. If the Fund sells an option, it sells to another person the right to buy from or sell to the Fund a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium received by the Fund. A decision as to whether, when and how to use options involves the exercise of skill and judgment and even a well-conceived option transaction may be unsuccessful because of market behavior or unexpected events. The prices of options can be highly volatile and the use of options can lower total returns.
◦Swaps. A swap contract is an agreement between two parties pursuant to which the parties exchange payments at specified dates on the basis of a specified notional amount, with the payments calculated by reference to specified securities, indexes, reference rates, currencies or other instruments. Swap agreements are particularly subject to counterparty credit, liquidity, valuation, correlation, leverage, operational and legal risk. Swaps could result in losses if interest rate or foreign currency exchange rates or credit quality changes are not correctly anticipated by the Fund or if the reference index, security or investments do not perform as expected. The use of credit default swaps can result in losses if the Fund’s assumptions regarding the creditworthiness of the underlying obligation prove to be incorrect.
Angel Oak Multi-Strategy Income Fund | Derivatives Risks, Futures Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Futures. A futures contract is a standardized agreement to buy or sell a specific quantity of an underlying instrument at a specific price at a specific future time. A decision as to whether, when and how to use futures involves the exercise of skill and judgment and even a well-conceived futures transaction may be unsuccessful because of market behavior or unexpected events. In addition to the derivatives risks discussed above, the prices of futures can be highly volatile, using futures can lower total return, and the potential loss from futures can exceed the Fund’s initial investment in such contracts.
Angel Oak Multi-Strategy Income Fund | Derivatives Risks, Options Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Options. If the Fund buys an option, it buys a legal contract giving it the right to buy or sell a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium paid by the Fund. If the Fund sells an option, it sells to another person the right to buy from or sell to the Fund a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium received by the Fund. A decision as to whether, when and how to use options involves the exercise of skill and judgment and even a well-conceived option transaction may be unsuccessful because of market behavior or unexpected events. The prices of options can be highly volatile and the use of options can lower total returns.
Angel Oak Multi-Strategy Income Fund | Derivatives Risks, Swaps Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Swaps. A swap contract is an agreement between two parties pursuant to which the parties exchange payments at specified dates on the basis of a specified notional amount, with the payments calculated by reference to specified securities, indexes, reference rates, currencies or other instruments. Swap agreements are particularly subject to counterparty credit, liquidity, valuation, correlation, leverage, operational and legal risk. Swaps could result in losses if interest rate or foreign currency exchange rates or credit quality changes are not correctly anticipated by the Fund or if the reference index, security or investments do not perform as expected. The use of credit default swaps can result in losses if the Fund’s assumptions regarding the creditworthiness of the underlying obligation prove to be incorrect.
Angel Oak Multi-Strategy Income Fund | RIC-Related Risks Of Investments Generating Non-Cash Taxable Income Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock RIC-Related Risks of Investments Generating Non-Cash Taxable Income. Certain of the Fund’s investments, particularly, debt obligations, such as zero coupon bonds, that will be treated as having “market discount” and/or original issue discount (“OID”) for U.S. federal income tax purposes and certain CLOs that may be considered passive foreign investment companies or controlled foreign corporations, will require the Fund to recognize taxable income in excess of the cash generated on those investments in that tax year, which could cause the Fund to have difficulty satisfying the annual distribution requirements applicable to regulated investment companies (“RICs”) and avoiding Fund-level U.S. federal income and/or excise taxes.
Angel Oak Multi-Strategy Income Fund | Risks Relating To Fund’s RIC Status Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Risks Relating to Fund’s RIC Status. To qualify and remain eligible for the special tax treatment accorded to a RIC and its shareholders under the Internal Revenue Code of 1986, as amended, the Fund must meet certain source-of-income, asset diversification and annual distribution requirements. If the Fund fails to qualify as a RIC for any reason and becomes subject to corporate tax, the resulting corporate taxes could substantially reduce its net assets, the amount of income available for distribution and the amount of its distributions.
Angel Oak Multi-Strategy Income Fund | Short Sales Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Short Sales Risks. The Fund may make short sales of securities, which involves selling a security it does not own in anticipation that the price of the security will decline. Short sales may involve substantial risk and leverage. Short sales expose the Fund to the risk that it will be required to buy the security sold short when the security has appreciated in value or is unavailable, thus resulting in a loss to the Fund. Short sales also involve the risk that losses may exceed the amount invested and may be unlimited.
Angel Oak Multi-Strategy Income Fund | Uncertain Tax Treatment Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Uncertain Tax Treatment. Below investment grade instruments may present special tax issues for the Fund. U.S. federal income tax rules are not entirely clear about issues such as when the Fund may cease accruing interest, OID or market discount, when and to what extent deductions may be taken for bad debts or worthless instruments, how payments received on obligations in default should be allocated between principal and income and whether exchanges of debt obligations in a bankruptcy or workout context are taxable, which may make it difficult for the Fund to satisfy the annual distribution requirements applicable to RICs.
Angel Oak Multi-Strategy Income Fund | Equity Market Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Equity Market Risk. Equity securities are susceptible to general stock market fluctuations and to volatile increases and decreases in value. The equity market may experience declines, and companies whose equity securities are in the Fund’s portfolio may not increase their earnings at the rate anticipated. The Fund’s net asset value and investment return will fluctuate based upon changes in the value of its portfolio securities.
Angel Oak Multi-Strategy Income Fund | Subsidiary Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Subsidiary Risk. To the extent the Fund invests through the Subsidiary, it will be exposed to the risks associated with the Subsidiary’s investments. The Subsidiary is not registered as an investment company under the 1940 Act and, therefore, will not be subject to the investor protections and substantive regulation of the 1940 Act, although the Subsidiary will be managed pursuant to all applicable 1940 Act compliance policies and procedures of the Fund. Changes in the laws of the United States and/or the jurisdiction in which the Subsidiary is organized could result in the inability of the Fund and/or the Subsidiary to operate as described in this Prospectus and could adversely affect the Fund.
Angel Oak Multi-Strategy Income Fund | Repurchase Agreement Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Repurchase Agreement Risks. Repurchase agreements typically involve the acquisition by the Fund of fixed-income securities from a selling financial institution such as a bank or broker-dealer. The Fund may incur a loss if the other party to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security.
Angel Oak Multi-Strategy Income Fund | Institutional Class  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol ANGIX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.89%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.99% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.91%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.02%) [2]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.89%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 290
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 692
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,119
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,309
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 290
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 692
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,119
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,309
Label rr_AverageAnnualReturnLabel – Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 5.34%
5 Years rr_AverageAnnualReturnYear05 (0.17%)
10 Years rr_AverageAnnualReturnYear10 1.96%
Since Inception rr_AverageAnnualReturnSinceInception 2.58%
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 16, 2012
Angel Oak Multi-Strategy Income Fund | Institutional Class | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg U.S. Aggregate Bond Index(reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.53%
5 Years rr_AverageAnnualReturnYear05 1.10%
10 Years rr_AverageAnnualReturnYear10 1.81%
Since Inception rr_AverageAnnualReturnSinceInception 1.54%
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 16, 2012
Angel Oak Multi-Strategy Income Fund | Class A  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol ANGLX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 2.25%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [3]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.89%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.99% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.16%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.02%) [2]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 2.14%
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock There is no initial sales charge on purchases of Class A shares of $500,000 or more, however, a contingent deferred sales charge of up to 1.00% will be imposed if such Class A shares are redeemed within twelve (12) months of their purchase.
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts or waivers if you and your family invest, or agree to invest in the future, at least $100,000 in Class A shares of the Fund.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 437
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 884
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,356
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,660
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 437
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 884
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,356
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,660
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales loads are not reflected in the bar chart. If these amounts were reflected, returns would be less than those shown.
Annual Return 2014 rr_AnnualReturn2014 5.56%
Annual Return 2015 rr_AnnualReturn2015 1.67%
Annual Return 2016 rr_AnnualReturn2016 4.08%
Annual Return 2017 rr_AnnualReturn2017 5.44%
Annual Return 2018 rr_AnnualReturn2018 2.61%
Annual Return 2019 rr_AnnualReturn2019 4.71%
Annual Return 2020 rr_AnnualReturn2020 (2.01%)
Annual Return 2021 rr_AnnualReturn2021 4.05%
Annual Return 2022 rr_AnnualReturn2022 (12.61%)
Annual Return 2023 rr_AnnualReturn2023 5.06%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date total return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Mar. 31, 2024
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 1.74%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest quarterly return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 7.25%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest quarterly return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (12.68%)
Label rr_AverageAnnualReturnLabel – Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 2.66%
5 Years rr_AverageAnnualReturnYear05 (0.84%)
10 Years rr_AverageAnnualReturnYear10 1.47%
Since Inception rr_AverageAnnualReturnSinceInception 3.70%
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 28, 2011
Angel Oak Multi-Strategy Income Fund | Class A | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel – Return After Taxes on Distributions [4]
1 Year rr_AverageAnnualReturnYear01 0.28% [4]
5 Years rr_AverageAnnualReturnYear05 (2.78%) [4]
10 Years rr_AverageAnnualReturnYear10 (0.69%) [4]
Since Inception rr_AverageAnnualReturnSinceInception 1.54% [4]
Angel Oak Multi-Strategy Income Fund | Class A | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel – Return After Taxes on Distributions and Sale of Fund Shares [4]
1 Year rr_AverageAnnualReturnYear01 1.53% [4]
5 Years rr_AverageAnnualReturnYear05 (1.41%) [4]
10 Years rr_AverageAnnualReturnYear10 0.20% [4]
Since Inception rr_AverageAnnualReturnSinceInception 1.96% [4]
Angel Oak Multi-Strategy Income Fund | Class A | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg U.S. Aggregate Bond Index(reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.53%
5 Years rr_AverageAnnualReturnYear05 1.10%
10 Years rr_AverageAnnualReturnYear10 1.81%
Since Inception rr_AverageAnnualReturnSinceInception 1.99%
Inception Date rr_AverageAnnualReturnInceptionDate Jun. 28, 2011
Angel Oak Multi-Strategy Income Fund | Class C  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol ANGCX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00% [5]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.89%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.99% [1]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.91%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.02%) [2]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 2.89%
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock The Fund charges this fee on Class C shares redeemed within one year of purchase.
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 394
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 899
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,531
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 3,232
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 292
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 899
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,531
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 3,232
Label rr_AverageAnnualReturnLabel – Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 3.20%
5 Years rr_AverageAnnualReturnYear05 (1.17%)
Since Inception rr_AverageAnnualReturnSinceInception 0.25%
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 04, 2015
Angel Oak Multi-Strategy Income Fund | Class C | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg U.S. Aggregate Bond Index(reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.53%
5 Years rr_AverageAnnualReturnYear05 1.10%
Since Inception rr_AverageAnnualReturnSinceInception 1.39%
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 04, 2015
Angel Oak UltraShort Income Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading ANGEL OAK ULTRASHORT INCOME FUND
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Angel Oak UltraShort Income Fund (the “Fund”) seeks to provide current income while seeking to minimize price volatility and maintain liquidity.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and examples below. You may qualify for sales charge discounts or waivers if you and your family invest, or agree to invest in the future, at least $100,000 in Class A1 shares of the Fund. More information about these and other discounts or waivers is available from your financial professional, in the sections “Sales Charges—Class A1 Shares” on page 44 of the Prospectus, and in “Appendix A—Waivers and Discounts Available from Intermediaries.”
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination May 31, 2025
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
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 operating expenses or in the example above, affect the Fund’s performance. During the most recent fiscal year ended January 31, 2024, the portfolio turnover rate for the Fund was 46% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 46.00%
Expense Example [Heading] rr_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock The following examples are intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The examples assume that you invest $10,000 in the Fund for the time periods indicated and then redeem or continue to hold all of your shares at the end of those periods. The examples also assume that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The expenses below reflect the Expense Limit for the first year only. Although your actual costs may be higher or lower and the Fund’s actual return may be greater or less than the hypothetical 5%, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption If you redeem your shares at the end of each period:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not redeem your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
In pursuing its investment objective, the Fund will, under normal circumstances, invest in securities which cause the Fund to have a dollar-weighted average maturity of less than two years and a dollar-weighted average duration of less than one year.
The Fund invests primarily in agency and non-agency residential mortgage-backed securities (“RMBS”), asset-backed securities (“ABS”), including securities backed by assets such as credit card receivables, student loans, automobile loans, and residential and commercial real estate, collateralized loan obligations (“CLOs”), collateralized debt obligations (“CDOs”), collateralized mortgage obligations (“CMOs”), and other debt securitizations (collectively, “Structured Products”); corporate debt and other debt securities; and U.S. Treasury and U.S. government agency securities.
The Fund may invest up to 30% of its net assets in CLOs.
The Fund may invest in the securities of other investment companies (including those that are part of the same group of investment companies as the Fund) that pursue an investment strategy that supports the Fund’s investment objective.
The Fund will concentrate its investments in agency and non-agency residential mortgage-backed securities (“RMBS”) and commercial mortgage-backed securities (“CMBS”) (collectively, “MBS”). This means that, under normal circumstances, the Fund will invest more than 25% of its total assets in MBS (measured at the time of purchase). The Fund will not concentrate its investments in any other group of industries. The Fund’s policy to concentrate its investments in MBS is fundamental and may not be changed without shareholder approval.
The Fund may invest up to 15% of its net assets in investments that are deemed to be illiquid, which may include private placements, certain Rule 144A securities (which are subject to resale restrictions), and securities of issuers that are bankrupt or in default.
The Fund is not a money market fund and does not seek to maintain a stable net asset value (“NAV”).
The Fund may engage in active and frequent trading of its portfolio securities.
The Fund may invest, without limitation, in securities of any maturity and duration, but, under normal circumstances, the Fund will have a dollar-weighted average maturity of less than two years and a dollar-weighted average duration of less than one year. Maturity refers to the length of time until a debt security’s principal is repaid with interest. Duration is a measure used to determine the sensitivity of a security’s price to changes in interest rates. Duration incorporates a security’s yield, coupon, final maturity, call and put features and prepayment exposure into one measure, with a higher duration indicating greater sensitivity to interest rates. For example, if a portfolio has a duration of two years, and interest rates increase (fall) by 1%, the portfolio would decline (increase) in value by approximately 2%. However, duration may not accurately reflect the true interest rate sensitivity of instruments held by the Fund and, therefore the Fund’s exposure to changes in interest rates.
The Fund’s investments in RMBS and ABS will span a broad segment of consumer creditworthiness segments, which will include exposure to prime, near-prime, and subprime consumers.
The Fund may invest in high-yield securities and securities that are not rated by any rating agencies. These “high-yield” securities (also known as “junk bonds”) will be rated BB+ or lower by Standard & Poor’s Rating Group (“S&P”) or will be of equivalent quality rating from another Nationally Recognized Statistical Ratings Organization. If a bond is unrated, the Adviser may determine whether it is of comparable quality and therefore eligible for the Fund’s investment. Although the Fund will not acquire investments of issuers that are in default at the time of investment, the Fund may hold such securities if an investment subsequently defaults.
In pursuing its investment objective or for hedging purposes, the Fund may utilize short selling, borrowing, and various types of derivative instruments, including structured products, swaps, futures contracts, and options, although the Adviser expects that not all such derivatives will be used at all times. Such derivatives may trade over-the-counter or on an exchange and may principally be
used for one or more of the following purposes: speculation, currency hedging, duration management, credit deterioration hedging, hedges against broad market movements, or to pursue the Fund’s investment objective. The Fund may borrow to the maximum extent permitted by applicable law. The Fund may also invest in reverse repurchase agreements.
The Fund’s allocation of its assets into various asset classes within its investment strategy will depend on the views of the Adviser as to the best value relative to what is currently available in the marketplace. Investment decisions are made based on fundamental research and analysis to identify issuers with the ability to improve their credit profile over time with attractive valuations, resulting in both income and potential capital appreciation. In selecting investments, the Adviser may consider maturity, yield, and ratings information and opportunities for price appreciation among other criteria. The Adviser also analyzes a variety of factors when selecting investments for the Fund, such as collateral quality, credit support, structure and market conditions. The Adviser attempts to diversify risks that arise from position sizes, geography, ratings, duration, deal structure and collateral values. The Adviser will also seek to invest in securities that have relatively low volatility. The Adviser seeks to limit risk of principal by targeting assets that it considers undervalued. From time to time, the Fund may allocate its assets so as to focus on particular types of securities.
As part of its investment process, the Adviser also considers certain environmental, social and governance (“ESG”) and sustainability factors that it believes could have a material negative or positive impact on the risk profiles of the issuers or underlying collateral assets of certain securities in which the Fund may invest. These determinations may not be conclusive, and securities that may be negatively impacted by such factors may be purchased and retained by the Fund while the Fund may divest or not invest in securities that may be positively impacted by such factors. The Adviser may sell investments if it determines that any of the mentioned factors have changed materially from its initial analysis or that other factors indicate that an investment is no longer earning a return commensurate with its risk or that a different security will better help the Fund achieve its investment objective.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration The Fund may invest up to 30% of its net assets in CLOs. The Fund may invest in the securities of other investment companies (including those that are part of the same group of investment companies as the Fund) that pursue an investment strategy that supports the Fund’s investment objective. The Fund will concentrate its investments in agency and non-agency residential mortgage-backed securities (“RMBS”) and commercial mortgage-backed securities (“CMBS”) (collectively, “MBS”). This means that, under normal circumstances, the Fund will invest more than 25% of its total assets in MBS (measured at the time of purchase). The Fund will not concentrate its investments in any other group of industries. The Fund’s policy to concentrate its investments in MBS is fundamental and may not be changed without shareholder approval. The Fund may invest up to 15% of its net assets in investments that are deemed to be illiquid, which may include private placements, certain Rule 144A securities (which are subject to resale restrictions), and securities of issuers that are bankrupt or in default.
Risk [Heading] rr_RiskHeading Principal Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The following performance information provides some indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Institutional Class shares of the Fund from year-to-year. The table below shows how the average annual total returns of the Fund’s Class A, Class A1, and Institutional Class compare over time to those of three indexes. The Bloomberg US Aggregate Bond Index serves as the fund’s regulatory index and provides a broad measure of market performance. The Bloomberg Short Treasury 9-12 Months Index and the Bloomberg Short Term Government/Corporate Index are the fund’s additional indexes and are more representative of the fund’s investment universe than the regulatory index.
Performance information represents only past performance, before and after taxes, and does not necessarily indicate future results. Updated performance information is available online at www.angeloakcapital.com or by calling (855) 751-4324 (toll free).
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following performance information provides some indication of the risks of investing in the Fund.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (855) 751-4324
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.angeloakcapital.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Performance information represents only past performance, before and after taxes, and does not necessarily indicate future results.
Bar Chart [Heading] rr_BarChartHeading Annual Total Returns for Institutional Class Shares(for years ended December 31st)
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
The calendar year-to-date total return as of March 31, 2024 for the Fund’s Institutional Class shares was 1.98%. During the period shown in the chart, the highest quarterly return was 4.11% (for the quarter ended June 30, 2020) and the lowest quarterly return was -3.72% (for the quarter ended March 31, 2020).
Performance Table Heading rr_PerformanceTableHeading Angel Oak UltraShort Income Fund Average Annual Total Returns
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 After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for Institutional Class only, and after-tax returns for other classes will vary.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period, since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock 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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period, since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Institutional Class only, and after-tax returns for other classes will vary.
Angel Oak UltraShort Income Fund | Risk Lose Money [Member]  
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Risk [Text Block] rr_RiskTextBlock There may be circumstances that could prevent the Fund from achieving its investment objective and you may lose money by investing in the Fund.
Angel Oak UltraShort Income Fund | Risk Not Insured Depository Institution [Member]  
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Risk [Text Block] rr_RiskTextBlock An investment in the Fund is not a deposit at a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Angel Oak UltraShort Income Fund | Fixed-Income Instruments Risks Member  
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Risk [Text Block] rr_RiskTextBlock Fixed-Income Instruments Risks. The Fund will invest in fixed-income instruments and securities. Such investments may be secured, partially secured or unsecured and may be unrated, and whether or not rated, may have speculative characteristics. The market price of the Fund’s investments will change in response to changes in interest rates and other factors. Generally, when interest rates rise, the values of fixed-income instruments fall, and vice versa. In typical interest rate environments, the prices of longer-term fixed-income instruments generally fluctuate more than the prices of shorter-term fixed-income instruments as interest rates change. In addition, a fund with a longer average portfolio duration will be more sensitive to changes in interest rates than a fund with a shorter average portfolio duration. A fund with a negative average portfolio duration may decline in value as interest rates decrease. Most high yield investments pay a fixed rate of interest and are therefore vulnerable to inflation risk (inflation rates are currently elevated relative to normal conditions). The obligor of a fixed-income instrument may not be able or willing to pay interest or to repay principal when due in accordance with the terms of the associated agreement.
Angel Oak UltraShort Income Fund | General Market Risk Member  
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Risk [Text Block] rr_RiskTextBlock General Market Risk. The capital markets may experience periods of disruption, instability and volatility. Political, geopolitical, natural and other events, including war, terrorism, trade disputes, government shutdowns, market closures, natural and environmental disasters, epidemics, pandemics and other public health crises and related events have led, and in the future may lead, to economic uncertainty, decreased economic activity, increased market volatility and other disruptive effects on U.S. and global economies and markets. Such conditions may materially and adversely affect the markets globally and in the jurisdictions in which the Fund invests, which may have a negative impact on the Fund’s performance. The Fund’s net asset value (“NAV”) and investment return will fluctuate based upon changes in the value of its portfolio securities.
Angel Oak UltraShort Income Fund | Credit Risk Member  
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Risk [Text Block] rr_RiskTextBlock Credit Risk. Credit risk is the risk that the Fund could lose money if the issuer or guarantor of a fixed income security, or the counterparty to a derivative contract, is unable or unwilling to meet its financial obligations.
Angel Oak UltraShort Income Fund | Interest Rate Risk Member  
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Risk [Text Block] rr_RiskTextBlock Interest Rate Risk. The Fund is exposed to risks associated with changes in interest rates, including the possibility that, in a period of rising interest rates, securities may exhibit additional volatility and may lose value.
Angel Oak UltraShort Income Fund | Prepayment Risk Member  
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Risk [Text Block] rr_RiskTextBlock Prepayment Risk. When interest rates decline, fixed income securities with stated interest rates may have the principal paid earlier than expected, requiring the Fund to invest the proceeds at generally lower interest rates.
Angel Oak UltraShort Income Fund | Structured Products Risks Member  
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Risk [Text Block] rr_RiskTextBlock Structured Products Risks. The Fund may invest in Structured Products, including CLOs, CDOs, CMOs, and other asset-backed securities and debt securitizations. Some Structured Products have credit ratings, but are typically issued in various classes with various priorities. Normally, Structured Products are privately offered and sold (that is, they are not registered under the securities laws), which means less information about the security may be available as compared to publicly offered securities and only certain institutions may buy and sell them. As a result, investments in Structured Products may be characterized by the Fund as illiquid securities. An active dealer market may exist for Structured Products that qualify for Rule 144A transactions, but there can be no assurance that such a market will exist or will be active enough for the Fund to sell such securities. In addition to the typical risks associated with fixed-income securities and asset-backed securities, CLOs and CDOs carry additional risks including, but not limited to: (i) the possibility that distributions from collateral securities will not be adequate to make interest or other payments; (ii) the risk that the collateral may default, decline in value or quality or be downgraded by a rating agency; (iii) the Fund may invest in tranches of Structured Products that are subordinate to other tranches; (iv) the structure and complexity of the transaction and the legal documents could lead to disputes among investors regarding the characterization of proceeds; (v) risk of forced “fire sale” liquidation due to technical defaults such as coverage test failures; and (vi) the Structured Product’s manager may perform poorly. The senior and junior tranches of Structured Products may have floating or variable interest rates based on LIBOR and are subject to the risks associated with securities tied to LIBOR, including the risks associated with the pending replacement of LIBOR with an alternative reference rate. The Fund may also invest in the equity tranches of a Structured Product, which typically represent the first loss position in the Structured Product, are unrated and are subject to higher risks. Equity tranches of Structured Products typically do not have a fixed coupon and payments on equity tranches will be based on the income received from the underlying collateral and the payments made to the senior tranches, both of which may be based on floating rates based on LIBOR.
Angel Oak UltraShort Income Fund | Borrowing Risks And Leverage Risks Member  
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Risk [Text Block] rr_RiskTextBlock Borrowing Risks and Leverage Risks. Borrowing for investment purposes creates leverage, which will exaggerate the effect of any change in the value of securities in the Fund’s portfolio on the Fund’s NAV and, therefore, may increase the volatility of the Fund. Money borrowed will be subject to interest and other costs (including commitment fees and/or the cost of maintaining minimum average balances). Unless the income and capital appreciation, if any, on securities acquired with borrowed funds exceed the cost of borrowing, the use of leverage will diminish the investment performance of the Fund.
Angel Oak UltraShort Income Fund | Extension Risk Member  
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Risk [Text Block] rr_RiskTextBlock Extension Risk. An issuer could exercise its right to pay principal on an obligation held by the Fund (such as a mortgage-backed security) later than expected. This may happen when there is a rise in interest rates. Under these circumstances, the value of the obligation will decrease, and the Fund will also suffer from the inability to reinvest in higher yielding securities.
Angel Oak UltraShort Income Fund | Concentration In Certain Mortgage-Backed Securities Risk Member  
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Risk [Text Block] rr_RiskTextBlock Concentration in Certain Mortgage-Backed Securities Risk. The risks of concentrating in residential mortgage-backed securities (agency and non-agency) and commercial mortgage-backed securities include susceptibility to changes in lending standards, interest rates and lending rates, and the risks associated with the market’s perception of issuers, the creditworthiness of the parties involved and investing in real estate securities.
Angel Oak UltraShort Income Fund | U.S. Government Securities Risks Member  
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Risk [Text Block] rr_RiskTextBlock U.S. Government Securities Risks. U.S. government securities are not guaranteed against price movement and may decrease in value. Some U.S. government securities are supported by the full faith and credit of the U.S. Treasury, while others may be supported only by the discretionary authority of the U.S. government to purchase certain obligations of a federal agency or U.S. government sponsored enterprise (“GSE”) or only by the right of the issuer to borrow from the U.S. Treasury. While the U.S. government provides financial support to such agencies and GSEs, no assurance can be given that the U.S. government will always do so. Other obligations are backed solely by the GSE’s own resources. Investments in securities issued by GSEs that are not backed by the U.S. Treasury are subject to higher credit risk than those that are backed by the U.S. Treasury.
Angel Oak UltraShort Income Fund | Mortgage-Backed And Asset-Backed Securities Risks Member  
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Risk [Text Block] rr_RiskTextBlock Mortgage-Backed and Asset-Backed Securities Risks. Mortgage-backed and other asset-backed securities are subject to the risks of traditional fixed-income instruments. However, they are also subject to prepayment risk and extension risk, meaning that if interest rates fall, the underlying debt may be repaid ahead of schedule, reducing the value of the Fund’s investments and if interest rates rise, there may be fewer prepayments, which would cause the average bond maturity to rise, increasing the potential for the Fund to lose money. Mortgage-backed and other asset-backed securities are also susceptible to changes in lending standards and lending rates. In addition, mortgage-backed securities comprised of subprime mortgages and investments in other asset-backed securities collateralized by subprime loans may be subject to a higher degree of credit risk and valuation risk. Additionally, such securities may be subject to a higher degree of liquidity risk, because the liquidity of such investments may vary dramatically over time. Certain mortgage-backed securities may be secured by pools of mortgages on single-family, multi-family properties, as well as commercial properties. Similarly, asset-backed securities may be secured by pools of loans, such as corporate loans, student loans, automobile loans and credit card receivables. The credit risk on such securities is affected by homeowners or borrowers defaulting on their loans. The values of assets underlying mortgage-backed and asset-backed securities may decline and therefore may not be adequate to cover underlying investors. Some mortgage-backed and asset-backed securities have experienced extraordinary weakness and volatility in recent years. Possible legislation in the area of residential mortgages, credit cards, corporate loans and other loans that may collateralize the securities in which the Fund may invest could negatively impact the value of the Fund’s investments. To the extent the Fund focuses its investments in particular types of mortgage-backed or asset-backed securities, the Fund may be more susceptible to risk factors affecting such types of securities.
Angel Oak UltraShort Income Fund | Unrated Securities Risks Member  
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Risk [Text Block] rr_RiskTextBlock Unrated Securities Risks. Unrated securities may be less liquid than comparable rated securities and involve the risk that Angel Oak may not accurately evaluate the security’s comparative credit rating.
Angel Oak UltraShort Income Fund | Management Risk Member  
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Risk [Text Block] rr_RiskTextBlock Management Risk. The Fund may not meet its investment objective based on the Adviser’s success or failure to implement investment strategies for the Fund.
Angel Oak UltraShort Income Fund | Sector Risk Member  
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Risk [Text Block] rr_RiskTextBlock Sector Risk. To the extent the Fund invests more heavily in particular sectors of the economy, its performance will be especially sensitive to developments that significantly affect those sectors.
Angel Oak UltraShort Income Fund | Floating Or Variable Rate Securities Risk Member  
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Risk [Text Block] rr_RiskTextBlock Floating or Variable Rate Securities Risk. Floating or variable rate securities pay interest at rates that adjust in response to changes in a specified interest rate or reset at predetermined dates (such as the end of a calendar quarter). Securities with floating or variable interest rates are generally less sensitive to interest rate changes than securities with fixed interest rates, but may decline in value if their interest rates do not rise as much, or as quickly, as comparable market interest rates. Although floating or variable rate securities are generally less sensitive to interest rate risk than fixed rate securities, they are subject to credit, liquidity and default risk and may be subject to legal or contractual restrictions on resale, which could impair their value.
Angel Oak UltraShort Income Fund | Liquidity And Valuation Risks Member  
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Risk [Text Block] rr_RiskTextBlock Liquidity and Valuation Risks. It may be difficult for the Fund to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued for purposes of the Fund’s net asset value, causing the Fund to be less liquid and unable to sell securities for what the Adviser believes is the appropriate price of the investment. Valuation of portfolio investments may be difficult, such as during periods of market turmoil or reduced liquidity and for investments that trade infrequently or irregularly. In these and other circumstances, an investment may be valued using fair value methodologies, which are inherently subjective, reflect good faith judgments based on available information and may not accurately estimate the price at which the Fund could sell the investment at that time. Based on its investment strategies, a significant portion of the Fund’s investments can be difficult to value and potentially less liquid and therefore particularly prone to these risks.
Angel Oak UltraShort Income Fund | Portfolio Turnover Risk Member  
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Risk [Text Block] rr_RiskTextBlock Portfolio Turnover Risk. Frequent trading increases the Fund’s portfolio turnover rate and may increase transaction costs, such as brokerage commissions, dealer mark-ups and may result in higher taxes when Fund shares are held in a taxable account. Increased transaction costs could detract from the Fund’s performance.
Angel Oak UltraShort Income Fund | Other Investment Companies Risks Member  
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Risk [Text Block] rr_RiskTextBlock Other Investment Companies Risks. The Fund will incur higher and duplicative expenses when it invests in mutual funds, exchange-traded funds (“ETFs”), and other investment companies, which may include those that are part of the same group of investment companies as the Fund (“affiliated underlying funds”). There is also the risk that the Fund may suffer losses due to the investment practices of the underlying funds. When the Fund invests in other investment companies, the Fund will be subject to substantially the same risks as those associated with the direct ownership of securities held by such investment companies. ETFs may be less liquid than other investments, and thus their share values more volatile than the values of the investments they hold. Investments in ETFs are also subject to the following risks: (i) the market price of an ETF’s shares may trade above or below their net asset value; (ii) an active trading market for an ETF’s shares may not develop or be maintained; and (iii) trading of an ETF’s shares may be halted for a number of reasons.
The Adviser may be subject to potential conflicts of interest in allocating the Fund’s assets to underlying funds, such as a potential conflict in selecting affiliated underlying funds over unaffiliated underlying funds. In addition, the Fund’s portfolio managers may be subject to potential conflicts of interest in allocating the Fund’s assets among underlying funds, as certain of the Fund’s portfolio managers may also manage an affiliated underlying fund in which the Fund may invest. Both the Adviser and the Fund’s portfolio managers have a fiduciary duty to the Fund to act in the Fund’s best interest when selecting underlying funds. Under the oversight of the Board of Trustees, the Adviser will carefully analyze any such potential conflicts of interest and will take steps to minimize and, where possible, eliminate them.
Angel Oak UltraShort Income Fund | Rating Agencies Risks Member  
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Risk [Text Block] rr_RiskTextBlock Rating Agencies Risks. Ratings are not an absolute standard of quality, but rather general indicators that reflect only the view of the originating rating agencies from which an explanation of the significance of such ratings may be obtained. There is no assurance that a particular rating will continue for any given period of time or that any such rating will not be revised downward or withdrawn entirely. Such changes may negatively affect the liquidity or market price of the securities in which the Fund invests. The ratings of Structured Products may not adequately reflect the credit risk of those assets due to their structure.
Angel Oak UltraShort Income Fund | Floating Rate Risk Member  
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Risk [Text Block] rr_RiskTextBlock Floating Rate Risk. Instruments in which the Fund invests may pay interest at floating rates or may be subject to interest caps or floors tied to floating rates. The Fund and issuers of instruments in which the Fund invests may also obtain financing at floating rates. Derivative instruments utilized by the Fund and/or issuers of instruments in which the Fund may invest may also reference floating rates. The Fund also may utilize leverage or borrowings primarily based on floating rates. Some instruments in which the Fund has invested are or were tied to forms of the London Interbank Offered Rate (“LIBOR”). LIBOR was the basic rate of interest used in lending transactions between banks on the London interbank market and has been widely used as a reference for setting the interest rate on loans globally. As a result of benchmark reforms, publication of most LIBOR settings has ceased. Some LIBOR settings continue to be published but only on a temporary, synthetic and non-representative basis. All such synthetic LIBOR settings are expected to be discontinued by September 30, 2024. When publication of applicable synthetic LIBOR settings ceases, any still outstanding instruments or investments using synthetic LIBOR settings are expected to transition to alternative floating rate benchmarks. Regulated entities have generally ceased entering into new LIBOR contracts in connection with regulatory requirements. As a result of legislative mechanisms and industry-wide efforts to replace LIBOR with alternative floating-rate benchmarks, LIBOR has been replaced with an alternative already in many instruments. The transition from LIBOR may have effects on the value, liquidity or return on certain Fund investments that continue to reference or previously referenced LIBOR. In addition, there may be costs associated with the transition from LIBOR. Any pricing adjustments to the Fund’s investments resulting from the transition to an alternative reference rate may also adversely affect the Fund’s performance and/or NAV. To the extent that any replacement rate differs from that utilized for a Structured Product that holds those securities, the Structured Product would experience an interest rate mismatch between its assets and liabilities. Some instruments that referenced LIBOR were transitioned to alternative reference rates as a result of certain legislative transition mechanisms such as the Adjustable Interest Rate (LIBOR) Act. This law provides a statutory fallback mechanism on a nationwide basis for certain contracts to replace LIBOR with a benchmark rate that is selected by the Board of Governors of the Federal Reserve System based on the Secured Overnight Financing Rate (“SOFR”) where the related contract contains no, or insufficient, fallback provisions. In addition, the transition from LIBOR to any alternative reference rate may also introduce operational risks in the Fund’s accounting, financial reporting, investment servicing, liability management and other aspects of the Fund’s business. Completion of the transition from LIBOR to alternative reference rates could lead to significant short-term and long-term uncertainty and market instability. It remains uncertain how such changes would affect the Fund, issuers of instruments in which the Fund invests and financial markets generally.
Angel Oak UltraShort Income Fund | Large Shareholder Transactions Risk Member  
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Risk [Text Block] rr_RiskTextBlock Large Shareholder Transactions Risk. Shares of the Fund are offered to certain other investment companies, large retirement plans and other large investors. As a result, the Fund is subject to the risk that those shareholders may purchase or redeem a large amount of shares of the Fund. To satisfy such large shareholder redemptions, the Fund may have to sell portfolio securities at times when it would not otherwise do so, which may negatively impact the Fund’s NAV and liquidity. In addition, large purchases of Fund shares could adversely affect the Fund’s performance to the extent that the Fund does not immediately invest cash it receives and therefore holds more cash than it ordinarily would. Large shareholder activity could also generate increased transaction costs and cause adverse tax consequences.
Angel Oak UltraShort Income Fund | Illiquid Investments Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Illiquid Investments Risks. The Fund may, at times, hold illiquid investments, by virtue of the absence of a readily available market for certain of its investments, or because of legal or contractual restrictions on sales. The Fund could lose money if it is unable to dispose of an investment at a time or price that is most beneficial to the Fund.
Angel Oak UltraShort Income Fund | NAV Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock NAV Risk. The Fund is not a money market fund, does not attempt to maintain a stable NAV, and is not subject to the rules that govern the quality, maturity, liquidity and other features of securities that money market funds may purchase. Under normal conditions, the Fund’s investment may be more susceptible than a money market fund to interest rate risk, valuation risk, credit risk, and other risks relevant to the Fund’s investments. The Fund’s NAV per share will fluctuate.
Angel Oak UltraShort Income Fund | Regulatory And Legal Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Regulatory and Legal Risks. U.S. and non-U.S. government agencies and other regulators regularly adopt new regulations and legislatures enact new statutes that affect the investments held by the Fund, the strategies used by the Fund or the level of regulation or taxation that applies to the Fund. These statutes and regulations may impact the investment strategies, performance, costs and operations of the Fund or the taxation of its shareholders.
Angel Oak UltraShort Income Fund | High-Yield Securities Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock High-Yield Securities Risks. High-yield securities (also known as junk bonds) carry a greater degree of risk and are more volatile than investment grade securities and are considered speculative. High-yield securities may be issued by companies that are restructuring, are smaller and less creditworthy, or are more highly indebted than other companies. This means that they may have more difficulty making scheduled payments of principal and interest. Changes in the value of high-yield securities are influenced more by changes in the financial and business position of the issuing company than by changes in interest rates when compared to investment grade securities. The Fund’s investments in high-yield securities expose it to a substantial degree of credit risk.
Angel Oak UltraShort Income Fund | Reverse Repurchase Agreement Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Reverse Repurchase Agreement Risks. A reverse repurchase agreement is the sale by the Fund of a debt obligation to a party for a specified price, with the simultaneous agreement by the Fund to repurchase that debt obligation from that party on a future date at a higher price. Similar to borrowing, reverse repurchase agreements provide the Fund with cash for investment purposes, which creates leverage and subjects the Fund to the risks of leverage. Reverse repurchase agreements also involve the risk that the other party may fail to return the securities in a timely manner or at all. The Fund could lose money if it is unable to recover the securities and/or if the value of collateral held by the Fund, including the value of the investments made with cash collateral, is less than the value of securities.
Angel Oak UltraShort Income Fund | Derivatives Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Derivatives Risks. The Fund’s derivatives and other similar instruments (collectively referred to in this section as “derivatives” or “derivative instruments”) have risks, including the imperfect correlation between the value of such instruments and the underlying assets, rate or index; the loss of principal, including the potential loss of amounts greater than the initial amount invested in the derivative instrument; the possible default of the other party to the transaction; and illiquidity of the derivative investments. Changes in the value of a derivative may also create margin delivery or settlement payment obligations for the Fund. If a counterparty becomes bankrupt or otherwise fails to perform its obligations under a derivative contract due to financial difficulties, the Fund may experience significant delays in obtaining any recovery under the derivative contract in a bankruptcy or other reorganization proceeding. Certain derivatives may give rise to a form of leverage. Leverage magnifies the potential for gain and the risk of loss. The use of derivatives is also subject to operational
risk which refers to risk related to potential operational issues, including documentation issues, settlement issues, system failures, inadequate controls, and human error, as well as legal risk which refers to the risk of loss resulting from insufficient documentation, insufficient capacity or authority of counterparty, or legality or enforceability of a contract. Derivatives are also subject to market risk which refers to the risk that markets could experience a change in volatility that adversely impacts fund returns and the fund’s obligations and exposures. Certain of the Fund’s transactions in derivatives could also affect the amount, timing and character of distributions to shareholders, which may result in the Fund realizing more short-term capital gain and ordinary income subject to tax at ordinary income tax rates than it would if it did not engage in such transactions, which may adversely impact the Fund’s after-tax returns.
The derivative instruments and techniques that the Fund may principally use include:
◦Futures. A futures contract is a standardized agreement to buy or sell a specific quantity of an underlying instrument at a specific price at a specific future time. A decision as to whether, when and how to use futures involves the exercise of skill and judgment and even a well-conceived futures transaction may be unsuccessful because of market behavior or unexpected events. In addition to the derivatives risks discussed above, the prices of futures can be highly volatile, using futures can lower total return, and the potential loss from futures can exceed the Fund’s initial investment in such contracts.
◦Options. If the Fund buys an option, it buys a legal contract giving it the right to buy or sell a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium paid by the Fund. If the Fund sells an option, it sells to another person the right to buy from or sell to the Fund a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium received by the Fund. A decision as to whether, when and how to use options involves the exercise of skill and judgment and even a well-conceived option transaction may be unsuccessful because of market behavior or unexpected events. The prices of options can be highly volatile and the use of options can lower total returns.
◦Swaps. A swap contract is an agreement between two parties pursuant to which the parties exchange payments at specified dates on the basis of a specified notional amount, with the payments calculated by reference to specified securities, indexes, reference rates, currencies or other instruments. Swap agreements are particularly subject to counterparty credit, liquidity, valuation, correlation, leverage, operational and legal risk. Swaps could result in losses if interest rate or foreign currency exchange rates or credit quality changes are not correctly anticipated by the Fund or if the reference index, security or investments do not perform as expected. The use of credit default swaps can result in losses if the Fund’s assumptions regarding the creditworthiness of the underlying obligation prove to be incorrect.
Angel Oak UltraShort Income Fund | Derivatives Risks, Futures Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Futures. A futures contract is a standardized agreement to buy or sell a specific quantity of an underlying instrument at a specific price at a specific future time. A decision as to whether, when and how to use futures involves the exercise of skill and judgment and even a well-conceived futures transaction may be unsuccessful because of market behavior or unexpected events. In addition to the derivatives risks discussed above, the prices of futures can be highly volatile, using futures can lower total return, and the potential loss from futures can exceed the Fund’s initial investment in such contracts.
Angel Oak UltraShort Income Fund | Derivatives Risks, Options Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Options. If the Fund buys an option, it buys a legal contract giving it the right to buy or sell a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium paid by the Fund. If the Fund sells an option, it sells to another person the right to buy from or sell to the Fund a specific amount of the underlying instrument or futures contract on the underlying instrument at an agreed-upon price typically in exchange for a premium received by the Fund. A decision as to whether, when and how to use options involves the exercise of skill and judgment and even a well-conceived option transaction may be unsuccessful because of market behavior or unexpected events. The prices of options can be highly volatile and the use of options can lower total returns.
Angel Oak UltraShort Income Fund | Derivatives Risks, Swaps Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Swaps. A swap contract is an agreement between two parties pursuant to which the parties exchange payments at specified dates on the basis of a specified notional amount, with the payments calculated by reference to specified securities, indexes, reference rates, currencies or other instruments. Swap agreements are particularly subject to counterparty credit, liquidity, valuation, correlation, leverage, operational and legal risk. Swaps could result in losses if interest rate or foreign currency exchange rates or credit quality changes are not correctly anticipated by the Fund or if the reference index, security or investments do not perform as expected. The use of credit default swaps can result in losses if the Fund’s assumptions regarding the creditworthiness of the underlying obligation prove to be incorrect.
Angel Oak UltraShort Income Fund | RIC-Related Risks Of Investments Generating Non-Cash Taxable Income Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock RIC-Related Risks of Investments Generating Non-Cash Taxable Income. Certain of the Fund’s investments, particularly, debt obligations, such as zero coupon bonds, that will be treated as having “market discount” and/or original issue discount (“OID”) for U.S. federal income tax purposes and certain CLOs that may be considered passive foreign investment companies or controlled foreign corporations, will require the Fund to recognize taxable income in excess of the cash generated on those investments in that tax year, which could cause the Fund to have difficulty satisfying the annual distribution requirements applicable to regulated investment companies (“RICs”) and avoiding Fund-level U.S. federal income and/or excise taxes.
Angel Oak UltraShort Income Fund | Risks Relating To Fund’s RIC Status Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Risks Relating to Fund’s RIC Status. To qualify and remain eligible for the special tax treatment accorded to a RIC and its shareholders under the Internal Revenue Code of 1986, as amended, the Fund must meet certain source-of-income, asset diversification and annual distribution requirements. If the Fund fails to qualify as a RIC for any reason and becomes subject to corporate tax, the resulting corporate taxes could substantially reduce its net assets, the amount of income available for distribution and the amount of its distributions.
Angel Oak UltraShort Income Fund | Short Sales Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Short Sales Risks. The Fund may make short sales of securities, which involves selling a security it does not own in anticipation that the price of the security will decline. Short sales may involve substantial risk and leverage. Short sales expose the Fund to the risk that it will be required to buy the security sold short when the security has appreciated in value or is unavailable, thus resulting in a loss to the Fund. Short sales also involve the risk that losses may exceed the amount invested and may be unlimited.
Angel Oak UltraShort Income Fund | Uncertain Tax Treatment Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Uncertain Tax Treatment. Below investment grade instruments may present special tax issues for the Fund. U.S. federal income tax rules are not entirely clear about issues such as when the Fund may cease accruing interest, OID or market discount, when and to what extent deductions may be taken for bad debts or worthless instruments, how payments received on obligations in default should be allocated between principal and income and whether exchanges of debt obligations in a bankruptcy or workout context are taxable, which may make it difficult for the Fund to satisfy the annual distribution requirements applicable to RICs.
Angel Oak UltraShort Income Fund | Repurchase Agreement Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Repurchase Agreement Risks. Repurchase agreements typically involve the acquisition by the Fund of fixed-income securities from a selling financial institution such as a bank or broker-dealer. The Fund may incur a loss if the other party to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security.
Angel Oak UltraShort Income Fund | Institutional Class  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol AOUIX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.15%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.59%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.24%) [6]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.35% [6]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 36
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 165
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 305
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 715
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 36
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 165
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 305
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 715
Annual Return 2019 rr_AnnualReturn2019 4.06%
Annual Return 2020 rr_AnnualReturn2020 1.98%
Annual Return 2021 rr_AnnualReturn2021 0.93%
Annual Return 2022 rr_AnnualReturn2022 (3.47%)
Annual Return 2023 rr_AnnualReturn2023 7.01%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date total return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Mar. 31, 2024
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 1.98%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest quarterly return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 4.11%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest quarterly return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (3.72%)
Label rr_AverageAnnualReturnLabel – Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 7.01%
5 Years rr_AverageAnnualReturnYear05 2.04%
Since Inception rr_AverageAnnualReturnSinceInception 2.17%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 02, 2018
Angel Oak UltraShort Income Fund | Institutional Class | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel – Return After Taxes on Distributions [7]
1 Year rr_AverageAnnualReturnYear01 5.07% [8]
5 Years rr_AverageAnnualReturnYear05 0.95% [8]
Since Inception rr_AverageAnnualReturnSinceInception 1.06% [8]
Angel Oak UltraShort Income Fund | Institutional Class | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel – Return After Taxes on Distributions and Sale of Fund Shares [7]
1 Year rr_AverageAnnualReturnYear01 4.12% [8]
5 Years rr_AverageAnnualReturnYear05 1.09% [8]
Since Inception rr_AverageAnnualReturnSinceInception 1.19% [8]
Angel Oak UltraShort Income Fund | Institutional Class | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg US Aggregate Bond Index(reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.53%
5 Years rr_AverageAnnualReturnYear05 1.10%
Since Inception rr_AverageAnnualReturnSinceInception 1.21%
Angel Oak UltraShort Income Fund | Institutional Class | Bloomberg Short Term Government/Corporate Index (reflects no deduction for fees, expenses, and taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Short Term Government/Corporate Index (reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.19%
5 Years rr_AverageAnnualReturnYear05 1.98%
Since Inception rr_AverageAnnualReturnSinceInception 2.01%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 02, 2018
Angel Oak UltraShort Income Fund | Institutional Class | Bloomberg Short Treasury: 9-12 Months Index 
(reflects no deduction for fees, expenses, and taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Short Treasury: 9-12 Months Index (reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.01%
5 Years rr_AverageAnnualReturnYear05 1.82%
Since Inception rr_AverageAnnualReturnSinceInception 1.86%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 02, 2018
Angel Oak UltraShort Income Fund | Class A  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol AOUAX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.15%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.84%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.24%) [6]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.60% [6]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 61
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 244
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 442
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,015
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 61
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 244
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 442
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,015
Label rr_AverageAnnualReturnLabel – Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 6.72%
5 Years rr_AverageAnnualReturnYear05 1.79%
Since Inception rr_AverageAnnualReturnSinceInception 1.89%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 30, 2018
Angel Oak UltraShort Income Fund | Class A | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg US Aggregate Bond Index(reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.53%
5 Years rr_AverageAnnualReturnYear05 1.10%
Since Inception rr_AverageAnnualReturnSinceInception 1.37%
Angel Oak UltraShort Income Fund | Class A | Bloomberg Short Term Government/Corporate Index (reflects no deduction for fees, expenses, and taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Short Term Government/Corporate Index (reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.19%
5 Years rr_AverageAnnualReturnYear05 1.98%
Since Inception rr_AverageAnnualReturnSinceInception 2.01%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 30, 2018
Angel Oak UltraShort Income Fund | Class A | Bloomberg Short Treasury: 9-12 Months Index 
(reflects no deduction for fees, expenses, and taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Short Treasury: 9-12 Months Index (reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.01%
5 Years rr_AverageAnnualReturnYear05 1.82%
Since Inception rr_AverageAnnualReturnSinceInception 1.87%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 30, 2018
Angel Oak UltraShort Income Fund | Class A1  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol AOUNX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 1.50%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 0.50% [9]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.15%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.84%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.24%) [6]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.60% [6]
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock There is no initial sales charge on purchases of Class A1 shares of $250,000 or more, however, a contingent deferred sales charge of up to 0.50% will be imposed if such Class A1 shares are redeemed within twelve (12) months of their purchase.
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts or waivers if you and your family invest, or agree to invest in the future, at least $100,000 in Class A1 shares of the Fund.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 262
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 390
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 586
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,150
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 210
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 390
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 586
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,150
Label rr_AverageAnnualReturnLabel – Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 4.60%
Since Inception rr_AverageAnnualReturnSinceInception 2.45%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 22, 2022
Angel Oak UltraShort Income Fund | Class A1 | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg US Aggregate Bond Index(reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.53%
Since Inception rr_AverageAnnualReturnSinceInception 0.41%
Angel Oak UltraShort Income Fund | Class A1 | Bloomberg Short Term Government/Corporate Index (reflects no deduction for fees, expenses, and taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Short Term Government/Corporate Index (reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.19%
Since Inception rr_AverageAnnualReturnSinceInception 4.27%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 22, 2022
Angel Oak UltraShort Income Fund | Class A1 | Bloomberg Short Treasury: 9-12 Months Index 
(reflects no deduction for fees, expenses, and taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, and taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Short Treasury: 9-12 Months Index (reflects no deduction for fees, expenses, and taxes)
1 Year rr_AverageAnnualReturnYear01 5.01%
Since Inception rr_AverageAnnualReturnSinceInception 3.80%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 22, 2022
[1] “Other Expenses” include interest expense of 0.87% for each of Class A, Class C, and Institutional Class shares. Interest expense is borne by the Fund separately from the management fees paid to Angel Oak Capital Advisors, LLC (the “Adviser”). Excluding interest expense of the Fund, Total Annual Fund Operating Expenses After Fee Waiver are 1.27%, 2.02% and 1.02% for Class A, Class C, and Institutional Class shares, respectively.
[2] The Adviser has contractually agreed to waive its fees through at least May 31, 2025 to the extent necessary to offset the proportionate share of the management fees incurred by the Fund through its investment in an underlying fund for which the Adviser also serves as investment adviser. This arrangement may only be changed or eliminated by the Board of Trustees upon 60 days’ written notice to the Adviser.
[3] There is no initial sales charge on purchases of Class A shares of $500,000 or more, however, a contingent deferred sales charge of up to 1.00% will be imposed if such Class A shares are redeemed within twelve (12) months of their purchase.
[4] 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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period, since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Class A only, and after-tax returns for other classes will vary.
[5] The Fund charges this fee on Class C shares redeemed within one year of purchase.
[6] Angel Oak Capital Advisors, LLC (the “Adviser”) has contractually agreed to waive its fees and/or reimburse certain expenses (exclusive of any front-end sales loads, taxes, interest on borrowings, dividends on securities sold short, brokerage commissions, 12b-1 fees, acquired fund fees and expenses, expenses incurred in connection with any merger or reorganization and extraordinary expenses) to limit the Total Annual Fund Operating Expenses After Fee Waiver/Expense Reimbursement to 0.35% of the Fund’s average daily net assets (the “Expense Limit”) through May 31, 2025. The contractual arrangement may only be changed or eliminated by the Board of Trustees upon 60 days’ written notice to the Adviser. The Adviser may recoup from the Fund any waived amount or reimbursed expenses pursuant to this agreement if such recoupment does not cause the Fund’s Total Annual Fund Operating Expenses after such recoupment to exceed the lesser of (i) the Expense Limit in effect at the time of the waiver or reimbursement and (ii) the Expense Limit in effect at the time of recoupment and the recoupment is made within three years after the end of the month in which the Adviser incurred the expense.
[7] 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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period, since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
[8] 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. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other return figures for the same period,
since a higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Institutional Class only, and after-tax returns for other classes will vary.
[9] There is no initial sales charge on purchases of Class A1 shares of $250,000 or more, however, a contingent deferred sales charge of up to 0.50% will be imposed if such Class A1 shares are redeemed within twelve (12) months of their purchase.