Investments - Schedule of Realized Gains and Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Investments [Abstract]
Fixed maturity securities, gross realized gains	$ 12	$ 13	$ 80	$ 45
Fixed maturity securities, gross realized losses	(222)	(13)	(255)	(20)
Fixed maturity securities	(210)	0	(175)	25
Bank loan participations, gross realized gains	99	137	170	229
Bank loan participations, gross realized losses	(884)	(1,291)	(2,288)	(3,057)
Changes in fair values of bank loan participations	1,047	1,407	(2,517)	767
Bank loan participations	262	253	(4,635)	(2,061)
Equity securities, gross realized gains	209	42	209	252
Equity securities, gross realized losses	0	(7)	0	(7)
Changes in fair values of equity securities	738	(640)	(1,032)	68
Equity securities	947	(605)	(823)	313
Short-term investments and other, gross realized gains	0	0	0	1
Short-term investments and other, gross realized losses	0	0	0	(1)
Short-term investments and other	0	0	0	0
Total	$ 999	$ (352)	$ (5,633)	$ (1,723)

Bank Loan Participations, Changes in Fair Value

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Represents the gross realized gains on bank loan participations.

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Represents the gross realized losses on bank loan participations.

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Bank Loan Participations, realized and unrealized net gains (losses)

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Represents the gross profit realized on the sale of short term investment and other.

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Short Term Investments And Other Gross Realized Gains (Losses)

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Represents the gross loss realized on the sale of short term investment and other.

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized loss from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized and unrealized gain (loss) on investment.

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