Fair Value Measurements - Narrative (Details)	Dec. 31, 2022
Interest Rate Swap
Fair Value, Option, Quantitative Disclosures
Liability for policyholder contract deposits, interest rate (as a percent)	5.04%

Rate of interest credited to policyholder deposits.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124506351&loc=d3e14931-158439

Name:	us-gaap_LiabilityForPolicyholderContractDepositsInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant