Commercial mortgage loans, Percentage

No definition available.

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- Definition

Write-down on accrued investment income receivable

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No definition available.

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- Definition

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 continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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- Definition

Amount at par value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

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- Definition

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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- Definition

Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of interest income on financing receivable on nonaccrual status.

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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Amount at par value of financing receivable purchased with credit deterioration.

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The cash outflow for the purchase of loan receivable arising from the financing of goods and services.

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- Definition

The cash inflow associated with the sale of loans receivables arising from the financing of goods and services.

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- Definition

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) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Investments (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Loans acquired	$ 0	$ 0	$ 12,600	$ 0
Loans sold	0	0	0	0
Gross Unrealized Losses	1,439,414		1,439,414		$ 1,739,561
Fixed maturity purchased with credit deterioration			0		0
Accrued Investment Income Write Down	0	0	0	0
Securities sold under agreements to repurchase	$ 0		$ 0		$ 0
Commercial mortgage loans, Percentage	100.00%		100.00%		100.00%
Loans on non-accrual status, do not have allowance for credit losses	$ 2,000		$ 2,000		$ 0
Commercial mortgage and other loans purchased with credit deterioration			0		0
Twelve Months or More, Gross Unrealized Losses	1,407,176		1,407,176		1,699,993
Loans on non-accrual status recognized in interest income	1,000		$ 1,000
Commercial mortgage loans \| Extended Maturity
Schedule of Investments [Line Items]
Financing Receivable, Modified in Period, Amount		0		0
Financing Receivable, Modified, Weighted Average Term Increase from Modification			1 year
NAIC high or highest quality rating \| Fixed maturities
Schedule of Investments [Line Items]
Gross Unrealized Losses	1,354,000		$ 1,354,000		1,634,000
NAIC other than high or highest quality rating \| Fixed maturities
Schedule of Investments [Line Items]
Gross Unrealized Losses	$ 85,000		$ 85,000		106,000
California
Schedule of Investments [Line Items]
Commercial mortgage loans, Percentage	26.00%		26.00%
Texas
Schedule of Investments [Line Items]
Commercial mortgage loans, Percentage	9.00%		9.00%
Washington
Schedule of Investments [Line Items]
Commercial mortgage loans, Percentage	6.00%		6.00%
Europe
Schedule of Investments [Line Items]
Commercial mortgage loans, Percentage	9.00%		9.00%
Mexico
Schedule of Investments [Line Items]
Commercial mortgage loans, Percentage	1.00%		1.00%
Australia
Schedule of Investments [Line Items]
Commercial mortgage loans, Percentage	1.00%		1.00%
Other Income \| Fixed maturities \| Trading
Schedule of Investments [Line Items]
Net unrealized investment gains (losses)	$ 149,000	(221,600)	$ 16,800	(179,000)
Other Income \| Equity securities
Schedule of Investments [Line Items]
Net unrealized investment gains (losses)	37,600	$ (10,900)	16,200	$ (2,800)
Fixed maturities
Schedule of Investments [Line Items]
Twelve Months or More, Gross Unrealized Losses	$ 1,407,000		$ 1,407,000		$ 1,700,000