Investments - Net Gains (Losses) on Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fixed-maturities available for sale
Mortgage loans held for sale	$ 28	$ 0	$ 0
Net realized gains (losses) on investments sold or redeemed	(8,278)	20,842	35,826
Change in unrealized gains (losses) on investments sold or redeemed	3,458	8,714	1,630
Impairment losses due to intent to sell	0	0	(1,401)
Net decrease (increase) in expected credit losses	0	918	(1,254)
Net unrealized gains (losses) on investments still held
Mortgage loans held for sale	51	0	0
Net unrealized gains (losses) on investments still held	(53,291)	4,053	12,590
Total net gains (losses) on investments	(65,027)	17,099	44,131
Net gains (losses) on other financial instruments (1)	(15,706)	(1,496)	16,146
Net gains (losses) on investments and other financial instruments	(80,733)	15,603	60,277
Fixed-maturities available for sale
Fixed-maturities available for sale
Gross realized gains	2,763	22,766	37,431
Gross realized losses	(12,737)	(17,105)	(2,562)
Fixed-maturities available for sale, net	(9,974)	5,661	34,869
Trading securities
Fixed-maturities available for sale
Trading securities	(135)	390	4
Net unrealized gains (losses) on investments still held
Trading securities	(27,700)	(7,330)	10,583
Equity securities
Fixed-maturities available for sale
Equity securities	1,655	10,820	353
Net unrealized gains (losses) on investments still held
Equity securities	(25,255)	10,210	1,759
Other investments
Fixed-maturities available for sale
Other investments	148	3,971	600
Net unrealized gains (losses) on investments still held
Other investments	$ (387)	$ 1,173	$ 248

Change in Unrealized Gains (Losses) On Investments Sold or Redeemed

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- Definition

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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No definition available.

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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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No definition available.

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Gain (Loss) On Financial Instruments

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No definition available.

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This concept represents the gains and losses on investments and other financial instruments for the period excluding the impact of changes in the present value of insurance claims and recoveries on insured credit derivatives and VIEs, based on the company's ongoing insurance loss monitoring, which are a component of segment expenses. Also includes other than temporarily impaired losses recognized in earnings.

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No definition available.

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Other Investments, Change in Unrealized Holding Gain (Loss)

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No definition available.

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- Definition

Other than Temporary Impairment Losses, Investments, Expected Credit Losses

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No definition available.

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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.

+ References

No definition available.

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Securities, Trading, Realized Gain (Loss)

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Unrealized Gains (Losses) on Investments

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No definition available.

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

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- Definition

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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- Definition

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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- Definition

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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The increase (decrease) during the reporting period in the value of mortgage loans that are held with the intention to sell or be securitized in the near future.

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