Investments - Net Gains (Losses) on Investments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Fixed-maturities available for sale
Net realized gains (losses) on investments sold or redeemed	$ 2,409	$ (2,775)	$ (4,292)	$ (11,636)
Change in unrealized gains (losses) on mortgage loans held for sale and related derivatives sold or redeemed	(2,022)	9	(690)	226
Impairment losses due to intent to sell	(131)		(369)
Net unrealized gains (losses) on investments still held
Net unrealized gains (losses) on investments still held	6,612	(5,343)	5,829	400
Total net gains (losses) on investments	6,868	(8,109)	478	(11,010)
Net gains (losses) on mortgage loans held for sale	(4,611)	284	(4,277)	459
Net gains (losses) on other financial instruments	(83)	(730)	1,976	7,345
Net gains (losses) on investments and other financial instruments	2,174	(8,555)	(1,823)	(3,206)
Fixed-maturities available for sale
Fixed-maturities available for sale
Gross realized gains	2,021	20	2,652	588
Gross realized losses	(1,323)	(2,814)	(8,472)	(13,768)
Fixed-maturities available for sale, net	698	(2,794)	(5,820)	(13,180)
Trading securities
Fixed-maturities available for sale
Trading securities	(496)		(686)	(402)
Net unrealized gains (losses) on investments still held
Trading securities	3,926	(5,632)	988	(4,494)
Equity securities
Fixed-maturities available for sale
Equity securities	2,156		2,162	1,890
Net unrealized gains (losses) on investments still held
Equity securities	2,585	290	4,739	4,991
Other investments
Fixed-maturities available for sale
Other investments	51	19	52	56
Net unrealized gains (losses) on investments still held
Other investments	$ 101	$ (1)	$ 102	$ (97)

Change In Unrealized Gains (Losses) On Investments Sold Or Redeemed

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Amount of unrealized holding gain (loss) recognized in the income statement for investments in equity securities and securities classified as trading.

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Amount of the change in unrealized holding gain (loss) recognized in the income statement for investments in equity securities.

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Gain (Loss) On Financial Instruments

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Gain (Loss) On Investments And Financial Instruments

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Other Investments, Change in Unrealized Holding Gain (Loss)

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This amount represents the net realized gains (losses) on all fixed-maturities, equity, trading, short-term, and other-invested assets securities, excluding other-than-temporary impairments and net unrealized gains (losses) on investment securities.

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Securities, Trading, Realized Gain (Loss)

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Unrealized Gains (Losses) on Investments

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Amount of unrealized and realized gain (loss) on investment in debt and equity securities.

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Amount of writeoff of allowance for credit 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 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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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 gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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

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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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