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Feature, Increase Limit Net change in unrealized appreciation (depreciation) for the period relating to those Level 3 assets that were still held by the Company at the end of the period: Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Kahala Aviation Holdings, LLC and Kahala Aviation US, Inc. Kahala Aviation Holdings, LLC and Kahala Aviation US, Inc. [Member] Kahala Aviation Holdings, LLC and Kahala Aviation US, Inc. Net increase (decrease) in members’ capital resulting from operations Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Total investment income Total investment income Gross Investment Income, Operating Unrealized loss on derivatives Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Voting securities percentage (more than) Investment Company, Voting Securities, Percentage Investment Company, Voting Securities, Percentage Income tax expense, including excise tax Investment Income, Operating, Tax Expense (Benefit) Investments in and Advances to Affiliates, at Fair Value [Roll Forward] Investments in and Advances to Affiliates, at Fair Value [Roll Forward] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Portfolio turnover rate Investment Company, Portfolio Turnover Deferred tax assets Deferred Tax Assets, Gross Net increase (decrease) in net assets resulting from operations attributable to common stockholders and participating securities Net increase (decrease) in net assets resulting from operations attributable to common stockholders and participating securities Net income (loss) Net increase (decrease) in net assets resulting from operations Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Accrual of Series A redeemable convertible preferred stock distributions (in dollars per share) Investment Company, Temporary Equity, Adjustments From Stock Distributions, Per Share Investment Company, Temporary Equity, Adjustments From Stock Distributions, Per Share Total Investments [Member] Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] 2029 Notes 2029 Notes 2029 Notes [Member] 2029 Notes Restatement Determination Date: Restatement Determination Date [Axis] Cash and other assets Cash And Other Assets Cash And Other Assets Transaction costs Asset Acquisition, Consideration Transferred, Transaction Cost Basis spread on variable rate Derivative, Basis Spread on Variable Rate Investment income: Revenues [Abstract] Temporary Equity [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]