75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - STATEMENT OF ASSETS AND LIABILITIES (unaudited) link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - STATEMENTS OF OPERATIONS (unaudited) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - STATEMENTS OF CHANGES IN NET ASSETS (unaudited) link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - STATEMENT OF CASH FLOWS (unaudited) link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Organization and Principal Business link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Agreements and Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Subsequent Events (Tables) link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Organization and Principal Business (Details) link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Agreements and Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Subsequent Events (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Subsequent Events - Schedule of Private Offering of Standard Fee Shares Issued and Sold (Details) link:presentationLink link:calculationLink link:definitionLink 999009 - Disclosure - Anchoring link:presentationLink link:calculationLink link:definitionLink Related Party Transaction [Table] Commitments and Contingencies Commitments and contingencies (See Note 4) S Shares S Shares [Member] S Shares [Member] Minimum [Member] Minimum [Member] Consolidated Entities [Domain] Debt Instrument, Face Amount Aggregate principal amount Income Tax Expense (Benefit) Income tax expense Represents information pertaining to Founder Share Class III and Class E-W Shares. Founder Share Class III And Class E-W [Member] Founder share class III and class E-W shares Related Party Transaction [Line Items] Agreements and Related Party Transactions Amount of organizational expenses payable to the Operating Manager for organizational costs paid on behalf of the registrant pursuant to an expense support arrangement. Organizational Expenses Payable Organizational expenses payable Subsequent Event Type [Domain] Subsequent Events [Domain] Net proceeds from Private Offerings Net Proceeds from Private Offerings Net Proceeds from Private Offerings Debt Instrument, Payment Terms Payment term Represents information pertaining to Founder Share Class II Shares. Founder Share Class II [Member] Founder share class II shares STATEMENTS OF OPERATIONS Document Period End Date Document Information [Table] STATEMENTS OF CHANGES IN NET ASSETS Amount of offering expenses that the Operating Manager has elected to bear or support on behalf of the Partnership during the reporting period, regardless of payment status. Offering Expenses Supported by Operating Manager Offering expenses Debt Instrument, Interest Rate, Stated Percentage Interest rate Assets Total assets Disclosure of information about accounting policies. Accounting Policies [Table] Accounting Policies [Table] Offering date Debt Instrument, Offering Date Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure [Table Text Block] Schedule of Private Offering of Standard Fee Shares Issued and Sold Represents the recovery period during which expense support advances remain eligible for reimbursement. Related party Transaction, Expense Support Reimbursement Eligibility Period Expense support reimbursement period I Shares [Member] I Shares [Member] I Shares Equity, Attributable to Parent Net assets at end of period Net assets at beginning of period Basis of Accounting, Policy [Policy Text Block] Basis of Accounting Amount of offering expenses payable to the Operating Manager for offering costs paid on behalf of the registrant pursuant to an expense support arrangement. Offering Expenses Payable Offering expenses payable Amount of organizational expenses paid directly to, or settled directly with, third-party vendors by the Operating Manager. Organizational Expenses Paid Directly by Operating Manager Payment of organizational expenses Disclosure of accounting policy for organizational and offering expenses. Organizational And Offering Expenses, Policy [Policy Text Block] Organizational and Offering Expenses Statistical Measurement [Axis] Amount of increase (decrease) in due from offering expenses payable. Increase (Decrease) Offering Expenses Payable Offering expenses payable Entity Interactive Data Current Liabilities Total liabilities Common Class I [Member] Common Class I [Member] Class I Shares Operating Expenses Net expenses Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Accounting Policies [Line Items] Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Principal Business Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Shares Issued, Price Per Share Share price Stock Issued During Period, Shares, New Issues Stock issued Agreements and Related Party Transactions Amounts paid or reimbursed by the Operating Manager on behalf of the registrant pursuant to an expense support agreement, recognized as a reduction of related expenses. Expense Support From Operating Manager Expense support from Operating Manager Income Tax, Policy [Policy Text Block] Income Taxes Subsequent Events [Text Block] Subsequent Events Amount of offering expenses paid directly to, or settled directly with, third-party vendors by the Operating Manager. Offering Expenses Paid Directly by Operating Manager Payment of offering expenses Management and Service Fees, Incentive Rate Performance fees, rate Debt Instrument, Face Amount, Per Instrument Debt Instrument, Face Amount, Per Instrument Principal amount per note Organizational Cost, Expense Organizational expenses Disclosure of accounting policy for calculation of net asset value per share. Net Asset Value Per Share, Policy [Policy Text Block] Calculation of NAV Document Fiscal Period Focus Amount of organizational expenses that the Operating Manager has elected to bear or support on behalf of the Partnership during the reporting period, regardless of whether such expenses have been paid directly to vendors or remain unpaid. Organizational Expenses Supported by Operating Manager Organizational expenses Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net increase (decrease) in cash and cash equivalents Entity Current Reporting Status Use of Estimates, Policy [Policy Text Block] Use of Estimates Interest and Dividend Income, Operating [Abstract] Investment income: Class of Stock [Domain] Interest Income, Operating Interest income Document Transition Report Commitments and Contingencies. Subsequent Event [Line Items] Firm Commitment Amount Firm Commitment Amount Firm commitment amount Statistical Measurement [Domain] Assets [Abstract] Assets Entity Central Index Key Current Fiscal Year End Date Class WF Shares Class WF Shares [Member] Class WF Shares The percentage of excess profits allocated to the investment manager for purposes of calculating performance fees after satisfaction of applicable hurdle rate, loss carryforward, high-water mark, and catch-up provisions. Performance Fees Excess Profit , Allocation, Percentage Excess profit, allocation percentage Document Quarterly Report Class I shares Standard Fee Class-I Shares [Member] Standard Fee Class-I Shares [Member] Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash provided by (used in) operating activities Entity Incorporation, State or Country Code Sale of Stock, Number of Shares Issued in Transaction Shares sold Net increase (decrease) in net assets resulting from operations Class E shares Represents information pertaining to common Class E shares. Common Class E [Member] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Rule 10b51 Arr Modified Flag Rule 10b5-1 Arrangement Modified Rule 10b51 Arr Modified [Flag] Number of Investor Number of Investor Number of investors STATEMENT OF CASH FLOWS Deferred Offering Costs Deferred offering expenses Management Fee Expense Management fee Class of Stock [Axis] Represents information pertaining to Standard Fee Class shares. Standard Fee Class [Member] Standard fee class shares Amount of increase (decrease) in due from operations manager. Increase (Decrease) Due From Operations Manager Due from Operating Manager No definition available. Net Asset Value Per Share [Abstract] NET ASSET VALUE PER SHARE Par Or Stated Value Per Share Par Or Stated Value Per Share Par value per share Net Asset Value Per Share Net asset value per share Document Type Document Type Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operating activities: Subsequent Event [Member] Subsequent event Operating Income (Loss) Net investment income (loss) Sale of Stock, Price Per Share Purchase price per share Disclosure of accounting policy for presentation of financial statement. Basis of Presentation, Policy [Policy Text Block] Basis of Presentation Entity File Number Entity File Number Represents the maximum annualized percentage of net assets permitted under the expense support and conditional reimbursement agreement. Related Party Transaction, Specified Expense Reimbursement, Maximum Percentage Maximum expense support reimbursement percentage Debt Instrument, Term Term Entity Registrant Name Summary of Significant Accounting Policies Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net increase (decrease) in net assets resulting from operations Net Assets Total Net Assets Entity Address, Address Line One Other Receivables Due from Operating Manager Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration] Related Party Transactions Disclosure [Text Block] Agreements and Related Party Transactions Represents the information pertaining to Monroe Capital Asset-Backed Finance Company, LP Series II. Monroe Capital Asset-Backed Finance Company, LP Series II [Member] Series II Series II Entity Small Business Class MF Shares [Member] Class MF Shares Class MF Shares Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Increase (Decrease) in Stockholders' Equity [Roll Forward] STATEMENTS OF CHANGES IN NET ASSETS Gross Investment Income, Operating Total investment income Amount of increase (decrease) in due from organizational expenses payable. Increase (Decrease) Organizational Expenses Payable Organizational expenses payable Subsequent Event Type [Axis] Subsequent Events [Axis] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities: Consolidated Entities [Axis] Liabilities [Abstract] Liabilities Entity Tax Identification Number Class S shares Standard Fee Class-S Shares [Member] Standard Fee Class-S Shares [Member] Entity Address, City or Town Stock Issued During Period, Value, New Issues Proceeds from issuance of shares Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Organization, Consolidation and Presentation of Financial Statements [Line Items] Organization and Principal Business Entity Common Stock, Shares Outstanding Management and Service Fees, Base Rate Management fees, rate Represents information pertaining to Monroe Capital Asset-Backed Finance Company, LP Series I. Monroe Capital Asset-Backed Finance Company, LP Series I [Member] Series I Statement [Table] Incentive Fee Expense Performance fees Entity Shell Company Statement [Line Items] Maximum [Member] Maximum [Member] Noninterest Expense Total expenses Number of registered series of limited partnership interests established by the partnership. Number Of Registered Series of Limited Partnership Interests Number of registered series Consolidation, Policy [Policy Text Block] Basis of Consolidation Subsequent Events Consideration Sale of Stock, Consideration Received on Transaction Offering Price Document Fiscal Year Focus Common Stock, Shares, Outstanding Shares outstanding Disclosure of information about organization, consolidation and presentation of financial statement. Organization, Consolidation and Presentation of Financial Statements [Table] Organization, Consolidation and Presentation of Financial Statements [Table] Entity Ex Transition Period Promissory Notes [Member] Promissory Notes [Member] Notes New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Entity Address State Or Province The rate of return that shareholders of a specified share class must receive before the operating manager becomes entitled to participate in profits through a performance fee arrangement. Performance Fee Hurdle Rate Percentage Hurdle rate Amendment Flag Debt Instrument [Axis] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Non Rule 10B51 Arr Modified [Flag] Non Rule 10B51 Arr Modified [Flag] Non-Rule 10b51Arrangement Modified City Area Code Organization and Principal Business Proceeds from Issuance of Common Stock Proceeds from issuance of shares Operating Expenses [Abstract] Expenses: Amount of increase (decrease) in deferred offering expenses. Increase (Decrease) Deferred Offering Expenses Deferred offering expenses Fair Value Measurement, Policy [Policy Text Block] Investments, At Fair Value Subsequent Event [Table] Entity Emerging Growth Company Document and Entity Information Cash and Cash Equivalent Cash and cash equivalents Represents information pertaining to Founder Share Class III Shares. Founder Share Class III [Member] Founder share class III shares Common Class S [Member] Common Class S [Member] Class S Shares Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by (used in) financing activities Entity Filer Category Debt Instrument, Name [Domain] Document Information [Line Items] Entity Address, Postal Zip Code STATEMENT OF ASSETS AND LIABILITIES Local Phone Number