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Investments - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) Member	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Investment Holdings [Line Items]
Fair Value	$ 405,021	$ 467,865
Unfunded commitment to investee	27,238	28,566
Level II
Investment Holdings [Line Items]
Fair Value	0	65,300
Joint venture
Investment Holdings [Line Items]
Investment income from investments in joint ventures	6,600	8,900	$ 8,600
Freedom 3 and Great Lakes Joint venture
Investment Holdings [Line Items]
Aggregate fair value of investments in joint venture	$ 54,200	59,300
F3C Joint Venture
Investment Holdings [Line Items]
F3C Joint venture ownership percentage	62.80%
Number of board of directors | Member	4
Directors selected by company | Member	2
Directors selected by Freedom 3 Opportunities | Member	2
Fair Value	$ 13,000	14,300
Series A-Great Lakes Funding II LLC
Investment Holdings [Line Items]
Percentage of voting interest	50.00%
Fair Value	$ 41,100	45,000
Unfunded commitment to investee	$ 8,200	$ 5,500

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