Reinsurance - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Reinsurance [Line Items]    
Specific excess loss reinsurance agreement to reinsure liabilities per covered person amount $ 0.5 $ 0.5
Minimum [Member] | Life Insurance Product Line [Member]    
Reinsurance [Line Items]    
Interest rate assumed in calculation of life insurance reserves percentage 1.00%  
Minimum [Member] | Life and Annuity Insurance Product Line [Member]    
Reinsurance [Line Items]    
Interest rate assumed in calculation of life insurance reserves percentage 1.00%  
Maximum [Member] | Life Insurance Product Line [Member]    
Reinsurance [Line Items]    
Interest rate assumed in calculation of life insurance reserves percentage   4.50%
Maximum [Member] | Life and Annuity Insurance Product Line [Member]    
Reinsurance [Line Items]    
Interest rate assumed in calculation of life insurance reserves percentage   5.50%
Union Life Labor Insurance Company [Member]    
Reinsurance [Line Items]    
Percentage of coinsurance 100.00%  
Union Life Labor Insurance Company [Member] | Sagicor Life Insurance Company [Member]    
Reinsurance [Line Items]    
Amount of annuity reserves ceded $ 0.9 $ 0.9
Percentage of annuity reserves ceded 100.00%  
Union Life Labor Insurance Company [Member] | Southern Finance Life Insurance Company [Member]    
Reinsurance [Line Items]    
Amount of life insurance reserves coinsured $ 5.3 $ 5.2