Consolidated Statements of Assets and Liabilities (unaudited) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Investments, Fair Value Disclosure [Abstract] | ||||||||||
| Fair Value | $ 607,079,207 | [1] | $ 645,193,114 | [2] | ||||||
| Cash and cash equivalents | 8,684,000 | 9,352,000 | ||||||||
| Short-term investments | 567,922,868 | 543,752,917 | ||||||||
| Interest income receivable | 19,299,000 | 6,136,000 | ||||||||
| Receivable for investments sold | 158,000 | 0 | ||||||||
| Unrealized appreciation on unfunded commitments | 3,164,000 | 0 | ||||||||
| Deferred financing costs | 307,000 | 741,000 | ||||||||
| Prepaid and other assets | 0 | 70,000 | ||||||||
| Total Assets | 1,206,615,000 | 1,205,245,000 | ||||||||
| Liabilities | ||||||||||
| Payable for short-term investments purchased | 567,923,000 | 543,753,000 | ||||||||
| Management fees payable | 2,966,000 | 3,076,000 | ||||||||
| Unrealized depreciation on unfunded commitments | 1,227,000 | 1,106,000 | ||||||||
| Interest and credit facilities expense payable | 1,027,000 | 1,162,000 | ||||||||
| Other accrued expenses and other liabilities | 679,000 | 784,000 | ||||||||
| Total Liabilities | 758,422,000 | 769,481,000 | ||||||||
| Commitments and Contingencies (Note 5) | ||||||||||
| Members’ Capital | ||||||||||
| Common Unitholders' commitment (13,734,010 units issued and outstanding) | 1,373,401,000 | 1,373,401,000 | ||||||||
| Common Unitholders' undrawn commitment (13,734,010 units issued and outstanding) | (165,401,000) | (165,401,000) | ||||||||
| Common Unitholders' return of capital | (493,946,000) | (493,946,000) | ||||||||
| Common Unitholders’ offering costs | (633,000) | (633,000) | ||||||||
| Accumulated Common Unitholders' tax reclassification | (1,865,000) | (1,865,000) | ||||||||
| Common Unitholders’ capital | 711,556,000 | 711,556,000 | ||||||||
| Accumulated overdistributed earnings | (263,363,000) | (275,792,000) | ||||||||
| Total Members’ Capital | 448,193,000 | 435,764,000 | ||||||||
| Total Liabilities and Members’ Capital | $ 1,206,615,000 | $ 1,205,245,000 | ||||||||
| Net Asset Value Per Unit (Note 11) | [3] | $ 44.67 | $ 43.77 | |||||||
| Revolving Credit Facility | ||||||||||
| Liabilities | ||||||||||
| Revolving credit facilities payable | $ 184,600,000 | $ 219,600,000 | ||||||||
| Non-controlled/non-affiliated investments | ||||||||||
| Investments, Fair Value Disclosure [Abstract] | ||||||||||
| Fair Value | 251,017,000 | 228,485,000 | ||||||||
| Non-Controlled Affiliated Investments | ||||||||||
| Investments, Fair Value Disclosure [Abstract] | ||||||||||
| Fair Value | 111,394,000 | 107,862,000 | ||||||||
| Controlled Affiliated investments | ||||||||||
| Investments, Fair Value Disclosure [Abstract] | ||||||||||
| Fair Value | $ 244,669,000 | $ 308,846,000 | ||||||||
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- Definition Accumulated common unitholder tax reclassification. No definition available.
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- Definition Common unitholder return of capital. No definition available.
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- Definition Common Unitholders’ commitment. No definition available.
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- Definition Common Unitholders’ offering costs. No definition available.
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- Definition Common Unitholders’ undrawn commitment. No definition available.
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- Definition Interest and credit facility expense payable. No definition available.
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- Definition Other accrued expenses and other liabilities. No definition available.
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- Definition Payable for short-term investments purchased. No definition available.
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- Definition Unrealized appreciation on unfunded commitments. No definition available.
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- Definition Unrealized depreciation on unfunded commitments. No definition available.
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of investment in security owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of fee payable for management of fund or trust. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of member capital in limited liability company (LLC). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of ownership interest in limited liability company (LLC), attributable to the parent entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets. No definition available.
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- Definition Amount of receivable from sale of investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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