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Policy Liabilities - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Liability For Future Policy Benefit By Product Segment [Line Items]    
Percentage of participating life insurance in force 5.70% 7.50%
Structured Settlement Contract    
Liability For Future Policy Benefit By Product Segment [Line Items]    
Policy liability $ 14,715 $ 19,398
Policy liability that are life contingent 11,393 15,557
Structured Settlement Annuity Deficiency    
Liability For Future Policy Benefit By Product Segment [Line Items]    
Policy liability $ 1,883 $ 6,403