Reserves for Future Policy Benefits and Claims Payable - Schedule of Weighted Average Interest Rates for Future Policy Benefits (Details)	Sep. 30, 2026	Dec. 31, 2025
Payout Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Interest accretion rate	4.41%	4.26%
Current discount rate	6.22%	5.10%
Closed Block Life
Liability for Future Policy Benefit, Activity [Line Items]
Interest accretion rate	3.07%	3.08%
Current discount rate	6.32%	5.31%
Closed Block Annuity
Liability for Future Policy Benefit, Activity [Line Items]
Interest accretion rate	4.40%	4.40%
Current discount rate	6.26%	5.16%

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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+ Details