Investments - Schedule of Condensed Consolidated Balance Sheets Related to the Company’s Variable Interests in Non-consolidated VIEs (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Net Investment Income [Line Items]
Cost	$ 182,753	$ 172,753
Net Unrealized Gains (Losses)	44,514	17,106
Fair Value	227,267	189,859
Absolute Return Utility & Infrastructure Fund
Net Investment Income [Line Items]
Cost	172,753	162,753
Net Unrealized Gains (Losses)	43,108	16,138
Fair Value	215,861	178,891
MidCap Limited Partnership
Net Investment Income [Line Items]
Cost	10,000	10,000
Net Unrealized Gains (Losses)	1,406	968
Fair Value	$ 11,406	$ 10,968

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

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+ Details