Liability for Future Policy Benefits - Schedule of Weighted Average Durations of Liability (Details)	Dec. 31, 2025	Dec. 31, 2024
Schedule Of Weighted Average Durations Of Liability Abstract
Original duration of the liability in years	23 years 11 months 19 days	24 years 4 months 6 days
Current duration of the liability in years	23 years 4 months 9 days	22 years 21 days

Weighted-average duration of liability for future policy benefit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)(5)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480081/944-40-50-6

Name:	us-gaap_LiabilityForFuturePolicyBenefitWeightedAverageDuration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant