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

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Bank Loan Participations, Realized and Unrealized Losses, Credit Related Impairments

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Commitment To Invest In Notes Receivable

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Fair Value, Option, Loans Held as Assets, Aggregate Fair Value

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Fair Value, Option, Loans Held as Assets, Aggregate Unpaid Principal Balance

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- Definition

Investment Collateralized Notes Receivable

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Represents percentage of available for sale debt securities.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments - Narrative (Details)	3 Months Ended		6 Months Ended
Investments - Narrative (Details)	Jun. 30, 2026 USD ($) issuer	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) issuer	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Gain (Loss) on Securities [Line Items]
Bank loan participations, at fair value	$ 156,669,000		$ 156,669,000		$ 155,138,000
Unpaid principal balance	165,400,000		165,400,000
Net gain (loss) in bank loan participations	262,000	$ 253,000	(4,635,000)	$ (2,061,000)
Unrealized losses	0		240,000
Investments	1,743,604,000		1,743,604,000		1,697,156,000
Investment income (loss)	334,000	986,000	2,149,000	1,186,000
Bank Loan Participations
Gain (Loss) on Securities [Line Items]
Net investment income	3,000,000.0	3,100,000	6,000,000.0	6,300,000
Sixth Street
Gain (Loss) on Securities [Line Items]
Investments	902,000		902,000
Investment collateralized notes receivable	12,900,000		12,900,000
Investment income (loss)	120,000	$ (80,000)	324,000	$ (80,000)
Commitment to invest in notes receivable	$ 60,900,000		$ 60,900,000
Total fixed maturity securities, available-for-sale
Gain (Loss) on Securities [Line Items]
Number of issuers \| issuer	461		461
Fixed maturity securities, fair value	$ 1,028,904,000		$ 1,028,904,000		781,457,000
Gross unrealized losses	$ 61,537,000		$ 61,537,000		$ 54,055,000
Total fixed maturity securities, available-for-sale \| Standard & Poor's, BBB- or Better Rating [Member]
Gain (Loss) on Securities [Line Items]
Percentage of available for sale securities	100.00%		100.00%