Financing Arrangements - Narrative (Details) - USD ($)				12 Months Ended
		Oct. 10, 2023	Jul. 19, 2023	Dec. 31, 2024	Dec. 31, 2023	Nov. 14, 2024	Mar. 20, 2024	Jan. 26, 2024
Debt Instrument [Line Items]
Asset coverage per ratio				462.00%
Average outstanding amount				$ 149,317,000	$ 16,194,000
Weighted average interest rate				8.56%	5.31%
Effective interest rate percentage				6.88%	8.93%
Long-term line of credit	[1]			$ 229,355,000	$ 94,231,000
Revolving Credit Facility | Senior Secured Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Initial aggregate amount			$ 50,000,000			$ 150,000,000	$ 125,000,000	$ 75,000,000
Line of credit facility, accordion feature			$ 500,000,000
Accordion feature, percentage of aggregate commitments			150.00%
Basis spread on variable rate				2.125%	2.125%
Commitment fee percentage			0.375%
Asset coverage per ratio			150.00%
Revolving Credit Facility | Senior Secured Revolving Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Debt Instrument, Alternate Base Rate			1.125%
Revolving Credit Facility | Senior Secured Revolving Credit Facility | Line of Credit | Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Revolving Credit Facility | Senior Secured Revolving Credit Facility | Line of Credit | Term Benchmark Option
Debt Instrument [Line Items]
Basis spread on variable rate			2.125%
Revolving Credit Facility | K-FIT AB-1 Credit Facility | Line of Credit
Debt Instrument [Line Items]
Initial aggregate amount		$ 250,000,000
Basis spread on variable rate				2.25%	2.75%
Line of credit facility, accordion feature, maximum borrowing capacity		$ 500,000,000
Revolving Credit Facility | K-FIT AB-1 Credit Facility | Line of Credit | Minimum
Debt Instrument [Line Items]
Asset coverage per ratio		150.00%
Revolving Credit Facility | K-FIT AB-1 Credit Facility | Line of Credit | First Three Months
Debt Instrument [Line Items]
Commitment fee percentage		0.50%
Revolving Credit Facility | K-FIT AB-1 Credit Facility | Line of Credit | After Three Months | Minimum
Debt Instrument [Line Items]
Commitment fee percentage		0.50%
Revolving Credit Facility | K-FIT AB-1 Credit Facility | Line of Credit | After Three Months | Maximum
Debt Instrument [Line Items]
Commitment fee percentage		1.00%
Revolving Credit Facility | K-FIT AB-1 Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate		2.25%
Letter of Credit | Senior Secured Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Initial aggregate amount			$ 100,000,000
Long-term line of credit				$ 0

[1] See Note 9 for a discussion of the Company’s financing arrangements.