Fair Value Measurements - Fair Value Measurement Inputs and Valuation Techniques (Details) - Level 3 - Measurement Input, Incremental Cost of Capital	Dec. 31, 2024	Dec. 31, 2023
High
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed maturity securities, measurement input	8.00%
Loans receivable	10.00%	9.50%
Low
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed maturity securities, measurement input	5.70%
Loans receivable	7.00%	3.25%
Weighted average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed maturity securities, measurement input	6.60%
Loans receivable	7.93%	7.05%

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.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 103
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-103

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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-Section 50
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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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