We may be subject to U.S. federal income tax if we fail to qualify as a RIC. Risk [Member] We may be subject to U.S. federal income tax if we fail to qualify as a RIC. Risk Rising interest rates may adversely affect the value of our portfolio investments which could have an adverse effect on our business, financial condition and results of operations. Risk [Member] Rising interest rates may adversely affect the value of our portfolio investments which could have an adverse effect on our business, financial condition and results of operations. Risk The lack of liquidity in our investments may adversely affect our business. Risk [Member] The lack of liquidity in our investments may adversely affect our business. Risk Trade negotiations and related government actions may create regulatory uncertainty for our portfolio companies risk [Member] Trade negotiations and related government actions may create regulatory uncertainty for our portfolio companies risk Until we raise sufficient capital, continued operations are dependent upon the ELA entered into with the Adviser Risk [Member] The payment of underlying portfolio manager fees and other charges on CLO investments could adversely impact our return on our CLO investments. Risk [Member]  The payment of underlying portfolio manager fees and other charges on CLO investments could adversely impact our return on our CLO investments. Risk Legislative or other actions relating to taxes could have a negative effect on us. Risk [Member]  Legislative or other actions relating to taxes could have a negative effect on us. Risk We may not have the funds or ability to make additional investments in the companies in which we invest. Risk [Member]  We may not have the funds or ability to make additional investments in the companies in which we invest. Risk Regulations governing our operation as a business development company and RIC will affect our ability to raise additional capital or borrow for investment purposes Risk [Member] Regulations governing our operation as a business development company and RIC will affect our ability to raise additional capital or borrow for investment purposes Risk Credit Facility [Member] Credit Facility We may pursue strategic acquisitions. Risk [Member]  We may pursue strategic acquisitions. Risk Terrorist attacks, acts of war or natural disasters may affect any market for our common stock, impact the businesses in which we invest and harm our business, operating results and financial Risk [Member] Terrorist attacks, acts of war or natural disasters may affect any market for our common stock, impact the businesses in which we invest and harm our business, operating results and financial Risk We will have limited control of the administration and amendment of any CLO in which we invest. Risk [Member]  We will have limited control of the administration and amendment of any CLO in which we invest. Risk A failure on our part to maintain our qualification as a business development company would significantly reduce our operating flexibility Risk [Member] A failure on our part to maintain our qualification as a business development company would significantly reduce our operating flexibility Risk We will have no influence on management of underlying investments managed by non-affiliated third party CLO collateral managers. Risk [Member]  We will have no influence on management of underlying investments managed by non-affiliated third party CLO collateral managers. Risk Our Distribution Reinvestment Plan will dilute the interest of those who do not opt-in. Risk [Member] Our Distribution Reinvestment Plan will dilute the interest of those who do not opt-in. Risk There are significant potential conflicts of interest which could adversely impact our investment returns. Risk [Member] There are significant potential conflicts of interest which could adversely impact our investment returns. Risk Our board of directors has substantial discretion over the use of the proceeds of this offering Risk [Member] Our board of directors has substantial discretion over the use of the proceeds of this offering Risk The inability of our Adviser to maintain or develop these relationships, or the failure of these relationships to generate investment opportunities, could adversely affect our business Risk [Member] The inability of our Adviser to maintain or develop these relationships, or the failure of these relationships to generate investment opportunities, could adversely affect our business Risk Debt Instrument, Name [Domain] We entered into a non-exclusive, royalty-free license to use the “Prospect” name, which may be terminated if our Adviser or another affiliate of the Adviser is no longer our investment adviser. Risk [Member] We entered into a non-exclusive, royalty-free license to use the “Prospect” name, which may be terminated if our Adviser or another affiliate of the Adviser is no longer our investment adviser. Risk We may focus our investments in companies in a particular industry or industries. Risk [Member]  We may focus our investments in companies in a particular industry or industries. Risk Preferred Stock [Member] We generally will not control companies to which we provide debt. Risk [Member] We generally will not control companies to which we provide debt. Risk Certain collateral quality test failures in our CLO investments may result in diversion of CLO payments and harm our operating results [Member] Certain collateral quality test failures in our CLO investments may result in diversion of CLO payments and harm our operating results The timing of our share repurchase offers pursuant to our share repurchase program may be at a time that is disadvantageous to our stockholders. Risk [Member]  The timing of our share repurchase offers pursuant to our share repurchase program may be at a time that is disadvantageous to our stockholders. Risk Global economic, political and market conditions may adversely affect our business, results of operations and financial condition, including our revenue growth and profitability. Risk [Member] Global economic, political and market conditions may adversely affect our business, results of operations and financial condition, including our revenue growth and profitability. Risk We are subject to risks associated with artificial intelligence and machine learning technology Risk [Member] We are subject to risks associated with artificial intelligence and machine learning technology Risk We will have limited control of the administration and amendment of senior secured loans owned by the CLOs in which we invest. Risk [Member] We will have limited control of the administration and amendment of senior secured loans owned by the CLOs in which we invest. Risk The inability of a CLO collateral manager to reinvest the proceeds of the prepayment of senior secured loans may adversely affect us. Risk [Member] The inability of a CLO collateral manager to reinvest the proceeds of the prepayment of senior secured loans may adversely affect us. Risk The disposition of our investments may result in contingent liabilities. Risk [Member]  The disposition of our investments may result in contingent liabilities. Risk Inflation can adversely impact our cost of capital and the value of our portfolio investments. Risk [Member] Inflation can adversely impact our cost of capital and the value of our portfolio investments. Risk We will be subject to U.S. federal income tax if we are unable to qualify as a RIC under Subchapter M of the Code or do not satisfy the annual distribution requirement Risk [Member] We will be subject to U.S. federal income tax if we are unable to qualify as a RIC under Subchapter M of the Code or do not satisfy the annual distribution requirement Risk Defaults by our portfolio companies will harm our operating results. Risk [Member] Defaults by our portfolio companies will harm our operating results. Risk An investment strategy focused primarily on privately-held companies presents certain challenges, including the lack of available information about these companies. Risk [Member] An investment strategy focused primarily on privately-held companies presents certain challenges, including the lack of available information about these companies. Risk Our portfolio companies may incur debt that ranks equally with, or senior to, our debt investments in such companies. Risk [Member] Our portfolio companies may incur debt that ranks equally with, or senior to, our debt investments in such companies. Risk Delays in the application of offering proceeds to our investment program may adversely affect our results. Risk [Member] Delays in the application of offering proceeds to our investment program may adversely affect our results. Risk Incurring leverage creates conflicts of interests for our investment adviser. Risk [Member]  Incurring leverage creates conflicts of interests for our investment adviser. Risk Second priority liens on collateral securing loans that we make to a company may be subject to control by senior creditors with first priority liens. If there is a default, the value of the Risk [Member]  Second priority liens on collateral securing loans that we make to a company may be subject to control by senior creditors with first priority liens. If there is a default, the value of the Risk Although we have offered to repurchase your shares on a quarterly basis through our share repurchase program, the terms of any such repurchases will be limited. As a result, you will have Risk [Member] Although we have offered to repurchase your shares on a quarterly basis through our share repurchase program, the terms of any such repurchases will be limited. As a result, you will have Risk Our board of directors may change our operating policies and strategies without prior notice or stockholder approval, the effects of which may be adverse Risk [Member] Our board of directors may change our operating policies and strategies without prior notice or stockholder approval, the effects of which may be adverse Risk You may receive shares of our common stock as distributions, which could result in adverse tax consequences to you. Risk [Member] You may receive shares of our common stock as distributions, which could result in adverse tax consequences to you. Risk Our investments in CLOs may be riskier and less transparent to us and our stockholders than direct investments in the underlying companies. Risk [Member]  Our investments in CLOs may be riskier and less transparent to us and our stockholders than direct investments in the underlying companies. Risk Adverse economic conditions or increased competition for investment opportunities could delay deployment of our capital, reduce returns and result in losses. Risk [Member] Adverse economic conditions or increased competition for investment opportunities could delay deployment of our capital, reduce returns and result in losses. Risk If we borrow money, the potential for gain or loss on amounts invested in us will be magnified and may increase the risk of investing in us Risk [Member] If we borrow money, the potential for gain or loss on amounts invested in us will be magnified and may increase the risk of investing in us Risk There could be uncertainty as to the actual market value of our portfolio investments Risk [Member] There could be uncertainty as to the actual market value of our portfolio investments Risk Our CLO investments are subject to prepayments and calls, increasing re-investment risk. Risk [Member]  Our CLO investments are subject to prepayments and calls, increasing re-investment risk. Risk Non-investment grade debt involves a greater risk of default and higher price volatility than investment grade debt. Risk [Member]  Non-investment grade debt involves a greater risk of default and higher price volatility than investment grade debt. Risk We may have difficulty paying our required distributions if we recognize income before or without receiving cash representing such income. Risk [Member]  We may have difficulty paying our required distributions if we recognize income before or without receiving cash representing such income. Risk Our investments in CLO vehicles may be subject to special anti-deferral provisions that could result in us incurring tax or recognizing income prior to receiving cash distributions related to Risk [Member] Our investments in CLO vehicles may be subject to special anti-deferral provisions that could result in us incurring tax or recognizing income prior to receiving cash distributions related to Risk There may be circumstances where our debt investments could be subordinated to claims of other creditors or we could be subject to lender liability claims. Risk [Member] There may be circumstances where our debt investments could be subordinated to claims of other creditors or we could be subject to lender liability claims. Risk Class S [Member] Class S Our use of borrowed funds to make investments will expose us to risks typically associated with leverage. Risk [Member] Our use of borrowed funds to make investments will expose us to risks typically associated with leverage. Risk Future changes in laws or regulations governing our operations may adversely affect our business or cause us to alter our business strategy. Risk [Member] Future changes in laws or regulations governing our operations may adversely affect our business or cause us to alter our business strategy. Risk We are dependent on information systems and systems failures could significantly disrupt our business, which may, in turn, negatively affect our liquidity, financial condition or results of Risk [Member] We are dependent on information systems and systems failures could significantly disrupt our business, which may, in turn, negatively affect our liquidity, financial condition or results of Risk You may have current tax liability on distributions you elect to reinvest in our common stock but would not receive cash from such distributions to pay such tax liability. Risk [Member]  You may have current tax liability on distributions you elect to reinvest in our common stock but would not receive cash from such distributions to pay such tax liability. Risk In selecting and structuring investments appropriate for us, our Adviser will consider the investment and tax objectives of the Company and our stockholders as a whole, not the Risk [Member] In selecting and structuring investments appropriate for us, our Adviser will consider the investment and tax objectives of the Company and our stockholders as a whole, not the Risk Our financial results may be affected adversely if one or more of our significant equity or junior debt investments in a CLO vehicle defaults on our payment obligations or fails to perform as we Risk [Member] Our financial results may be affected adversely if one or more of our significant equity or junior debt investments in a CLO vehicle defaults on our payment obligations or fails to perform as we Risk The amount and timing of distributions are uncertain and distributions may be funded from the proceeds of this offering and may represent a return of capital Risk [Member] The amount and timing of distributions are uncertain and distributions may be funded from the proceeds of this offering and may represent a return of capital Risk Except for the investments described in this prospectus, we have not identified specific investments that we will make with the proceeds of this offering Risk [Member] Except for the investments described in this prospectus, we have not identified specific investments that we will make with the proceeds of this offering Risk Economic recessions or downturns could impair a company in which we invest and harm our operating results. Risk [Member] Economic recessions or downturns could impair a company in which we invest and harm our operating results. Risk We may incur additional leverage. Risk [Member]  We may incur additional leverage. Risk Changes in interest rates may adversely affect our cost of capital, net investment income and ability to borrow money. Risk [Member] Changes in interest rates may adversely affect our cost of capital, net investment income and ability to borrow money. Risk We may issue preferred stock as a means to access additional capital, which could adversely affect common stockholders and subject us to specific regulation under the 1940 Act. Risk [Member]  We may issue preferred stock as a means to access additional capital, which could adversely affect common stockholders and subject us to specific regulation under the 1940 Act. Risk Investing in small and mid-sized companies involves a number of significant risks. Risk [Member] Investing in small and mid-sized companies involves a number of significant risks. Risk Class D [Member] Class D We may not realize gains from our private equity investments. Risk [Member] We may not realize gains from our private equity investments. Risk Investments in foreign securities may involve significant risks in addition to the risks inherent in U.S. investments. Risk [Member]  Investments in foreign securities may involve significant risks in addition to the risks inherent in U.S. investments. Risk To the extent original issue discount (“OID”) and payment in kind (“PIK”) interest constitute a portion of our income Risk [Member] To the extent original issue discount (“OID”) and payment in kind (“PIK”) interest constitute a portion of our income Risk Our fee structure may induce our Adviser to cause us to borrow and make speculative investments. Risk [Member] Our fee structure may induce our Adviser to cause us to borrow and make speculative investments. Risk The shares sold in this offering will not be listed on an exchange or quoted through a quotation system for the foreseeable future, if ever. Therefore, if you purchase shares in this offering, Risk [Member]  The shares sold in this offering will not be listed on an exchange or quoted through a quotation system for the foreseeable future, if ever. Therefore, if you purchase shares in this offering, Risk If we do not qualify as a “publicly offered regulated investment company,” as defined in the Code, you will be taxed as though you received a distribution of some of our expenses. Risk [Member]  If we do not qualify as a “publicly offered regulated investment company,” as defined in the Code, you will be taxed as though you received a distribution of some of our expenses. Risk Our portfolio companies may be highly leveraged. Risk [Member]  Our portfolio companies may be highly leveraged. Risk The prolonged Russian invasion of Ukraine and the resulting international response may have a material adverse impact on us and our portfolio companies. Risk [Member] The prolonged Russian invasion of Ukraine and the resulting international response may have a material adverse impact on us and our portfolio companies. Risk Our CLO investments will be exposed to leveraged credit risk. Risk [Member] Our CLO investments will be exposed to leveraged credit risk. Risk We may incur lender liability as a result of our lending activities. Risk [Member] We may incur lender liability as a result of our lending activities. Risk The application of the risk retention rules under Section 941 of the Dodd-Frank Act to CLOs may have broader effects on the CLO and loan markets Risk [Member] The application of the risk retention rules under Section 941 of the Dodd-Frank Act to CLOs may have broader effects on the CLO and loan markets Risk Class A [Member] Class A Class of Stock [Domain] The companies in which we invest may incur debt that ranks equally with, or senior to, our investments in such companies. Risk [Member]  The companies in which we invest may incur debt that ranks equally with, or senior to, our investments in such companies. Risk We generally will not control the portfolio companies in which we make debt investments. Risk [Member] We generally will not control the portfolio companies in which we make debt investments. Risk Cybersecurity risks and cyber incidents may adversely affect our business or the business of our portfolio companies by causing a disruption to our operations or the operations of our portfolio Risk [Member] Cybersecurity risks and cyber incidents may adversely affect our business or the business of our portfolio companies by causing a disruption to our operations or the operations of our portfolio Risk If we invest in the securities and obligations of distressed and bankrupt issuers, we might not receive interest or other payments. Risk [Member]  If we invest in the securities and obligations of distressed and bankrupt issuers, we might not receive interest or other payments. Risk If we default under our Credit Facility or any subsequent credit facility or are unable to amend, repay or refinance any such facility on commercially reasonable terms, or at all, we may Risk [Member] If we default under our Credit Facility or any subsequent credit facility or are unable to amend, repay or refinance any such facility on commercially reasonable terms, or at all, we may If we are unable to consummate or successfully integrate development opportunities, acquisitions or joint ventures, we may not be able to implement our growth strategy successfully. Risk [Member]   If we are unable to consummate or successfully integrate development opportunities, acquisitions or joint ventures, we may not be able to implement our growth strategy successfully. Risk CLOs typically will have no significant assets other than their underlying senior secured loans; payments on CLO investments are and will be payable solely from the cash flows from such senior Risk [Member]  CLOs typically will have no significant assets other than their underlying senior secured loans; payments on CLO investments are and will be payable solely from the cash flows from such senior Risk The requirement that we invest a sufficient portion of our assets in qualifying assets could preclude us from investing in accordance with our current business strategy; conversely Risk [Member]  The requirement that we invest a sufficient portion of our assets in qualifying assets could preclude us from investing in accordance with our current business strategy; conversely Risk Special considerations for certain benefit plan investors. Risk [Member] Special considerations for certain benefit plan investors. Risk Our use of borrowed money will magnify the potential for gain or loss on amounts invested in our common stock and may increase the risk of investing in our common stock. Risk [Member] Our use of borrowed money will magnify the potential for gain or loss on amounts invested in our common stock and may increase the risk of investing in our common stock. Risk The involvement of our Adviser’s investment professionals in our valuation process may create conflicts of interest. Risk [Member] The involvement of our Adviser’s investment professionals in our valuation process may create conflicts of interest. Risk Certain provisions of our charter and bylaws as well as provisions of the Maryland General Corporation Law could deter takeover attempts and have an adverse impact on the value of our common Risk [Member]  Certain provisions of our charter and bylaws as well as provisions of the Maryland General Corporation Law could deter takeover attempts and have an adverse impact on the value of our common Risk Your interest in us will be diluted if we issue additional shares, which could reduce the overall value of your investment. Risk [Member]  Your interest in us will be diluted if we issue additional shares, which could reduce the overall value of your investment. Risk We will rely on our Adviser and its investment personnel for the selection of our assets and the monitoring of our investments. Risk [Member] We will rely on our Adviser and its investment personnel for the selection of our assets and the monitoring of our investments. Risk If we make unsecured investments, those investments might not generate sufficient cash flow to service their debt obligations to us. Risk [Member] If we make unsecured investments, those investments might not generate sufficient cash flow to service their debt obligations to us. Risk There is the potential for interruption and deferral of cash flow from CLO investments. Risk [Member]  There is the potential for interruption and deferral of cash flow from CLO investments. Risk Because we intend to distribute substantially all of our income to our stockholders in connection with our election to be treated as a RIC, we will continue to need additional capital to finance Risk [Member] Because we intend to distribute substantially all of our income to our stockholders in connection with our election to be treated as a RIC, we will continue to need additional capital to finance Risk Our investments in prospective portfolio companies may be risky, and we could lose all or part of our investment. Risk [Member] Our investments in prospective portfolio companies may be risky, and we could lose all or part of our investment. Risk We may be unable to invest a significant portion of the net proceeds of this offering on acceptable terms in the timeframe contemplated by this prospectus. Risk [Member]  We may be unable to invest a significant portion of the net proceeds of this offering on acceptable terms in the timeframe contemplated by this prospectus. Risk Class I [Member] Class I We will experience fluctuations in our quarterly operating results. Risk [Member] We will experience fluctuations in our quarterly operating results. Risk If we are unable to raise substantial funds, we will be limited in the number and type of investments we may make, and the value of your investment in us may be reduced in the event our assets Risk [Member]  If we are unable to raise substantial funds, we will be limited in the number and type of investments we may make, and the value of your investment in us may be reduced in the event our assets Risk We have not established any limit on the amount of funds we may use from available sources to fund distributions (which may reduce the amount of capital we ultimately invest in assets) Risk [Member] We have not established any limit on the amount of funds we may use from available sources to fund distributions (which may reduce the amount of capital we ultimately invest in assets) Risk