XML 122 R99.htm IDEA: XBRL DOCUMENT v3.24.0.1
Reinsurance and Policy Provisions (North End Re) (Details)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2021
USD ($)
Sep. 30, 2023
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jan. 31, 2022
Oct. 08, 2021
USD ($)
Jul. 01, 2021
USD ($)
Ceded Credit Risk [Line Items]                  
Other revenue       $ 75,866 $ 42,245 [1] $ 16,160 [1]      
Other liabilities $ 3,172,554     3,172,554 1,614,479 [2]        
Coinsurance deposits $ 14,582,728     $ 14,582,728 13,254,956 [2]        
Third party ownership interest in Company's common stock 20.10%     20.10%     16.00%    
North End Re, Reinsurance Agreement, In Force as of July 1, 2021                  
Ceded Credit Risk [Line Items]                  
Reinsurance liabilities, amount ceded                 $ 4,400,000
Modified coinsurance basis, percentage       70.00%          
Coinsurance basis, percentage       30.00%          
Annual ceding commission, basis points 0.0049     0.0049          
Annual asset liability management fee, basis points 0.0030     0.0030          
Ceding commission, net present value   $ 114,100              
North End Re, Reinsurance Agreement, In Force as of July 1, 2021 | Minimum                  
Ceded Credit Risk [Line Items]                  
Contractually guaranteed fees, duration       6 years          
North End Re, Reinsurance Agreement, In Force as of July 1, 2021 | Maximum                  
Ceded Credit Risk [Line Items]                  
Contractually guaranteed fees, duration       7 years          
North End Re, Reinsurance Agreement, In Force as of July 1, 2021 | Reinsurance Contract [Axis]: North End Re, Coinsurance Basis                  
Ceded Credit Risk [Line Items]                  
Cash transferred at close of reinsurance agreement               $ 1,100,000  
North End Re, Reinsurance Agreement, In Force as of July 1, 2021 | Reinsurance Contract [Axis]: North End Re, Modified Coinsurance Basis                  
Ceded Credit Risk [Line Items]                  
Cash transferred at close of reinsurance agreement               $ 2,600,000  
North End Re, Reinsurance Agreement, July 1, 2021 Going Forward                  
Ceded Credit Risk [Line Items]                  
Modified coinsurance basis, percentage     70.00%            
Coinsurance basis, percentage     30.00%            
Annual ceding commission, basis points 0.0140     0.0140          
Annual asset liability management fee, basis points 0.0030     0.0030          
Ceding commission, net present value   $ 27,100   $ 123,600 67,700        
Coninsurance on certain annuities, percentage     75.00%            
North End Re, Reinsurance Agreement, July 1, 2021 Going Forward | Minimum                  
Ceded Credit Risk [Line Items]                  
Contractually guaranteed fees, duration       6 years          
North End Re, Reinsurance Agreement, July 1, 2021 Going Forward | Maximum                  
Ceded Credit Risk [Line Items]                  
Contractually guaranteed fees, duration       7 years          
North End Re, Reinsurance Agreement Amendment, In Force Issued After July 1, 2021                  
Ceded Credit Risk [Line Items]                  
Modified coinsurance basis, percentage     70.00%            
Coinsurance basis, percentage     30.00%            
Coninsurance on certain annuities, percentage 0.00%   75.00%            
Coninsurance on certain annuities, future potential 75.00%                
North End Re                  
Ceded Credit Risk [Line Items]                  
Net investment income earned by assets in modco account       $ 259,500 95,400 11,400      
Coinsurance deposits $ 7,500,000     7,500,000 5,800,000        
Reinsurance recoverable 32,400     32,400          
Reinsurance payable         124,200        
North End Re | Other Liabilities, Deferred Gain                  
Ceded Credit Risk [Line Items]                  
Other liabilities $ 776,300     776,300 480,500        
North End Re | Other Revenue, Asset Liability Management Fee                  
Ceded Credit Risk [Line Items]                  
Other revenue       16,800 12,700 $ 5,500      
North End Re | Other Revenue, Deferred Gain                  
Ceded Credit Risk [Line Items]                  
Other revenue       $ 38,500 $ 24,200        
[1] Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.
[2] Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.