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Description of Business, Basis of Presentation, and Summary of Significant Accounting Policies - Narrative (Details)
6 Months Ended
Jul. 01, 2022
Jul. 01, 2021
Jun. 30, 2022
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]      
Future policy benefits reserve percentage of net premium ratio     100.00%
Percentage of net premium ratio capped     100.00%
Accounting standards update [extensible enumeration]     us-gaap:AccountingStandardsUpdate201812Member
Term Life Insurance Segment [Member]      
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]      
Percentage of net premium ratio capped     100.00%
Accounting standards update [extensible enumeration]     us-gaap:AccountingStandardsUpdate201812Member
Etelequote Bermuda [Member]      
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]      
Business acquisition, date of acquisition agreement   Jul. 01, 2021  
Percentage of interest acquired   80.00%  
Etelequote Bermuda [Member] | Subsequent Event [Member]      
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]      
Remaining percentage of interest acquired 20.00%    
Business acquisition, effective date of acquisition Jul. 01, 2022