XML 77 R66.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Policyholder Liabilities (Schedule of Changes in the Liability for Market Risk Benefits) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Market Risk Benefit [Roll Forward]      
Beginning balance, market risk benefits $ 2,666,860    
Ending balance, market risk benefits 2,598,320 $ 2,666,860  
Fixed Rate Annuities      
Market Risk Benefit [Roll Forward]      
Beginning balance, market risk benefits 60,187 37,863  
Balance, beginning of period, before effect of changes in the instrument-specific credit risk 63,573 44,355  
Issuances 7 32  
Interest accrual 973 3,139  
Attributed fees collected 284 1,216  
Benefits payments 0 0  
Effect of changes in interest rates (3,912) (380)  
Effect of changes in equity markets 0 0  
Effect of changes in equity index volatility 0 0  
Effect of changes in future expected policyholder behavior 73 (1,509)  
Effect of changes in other future expected assumptions 0 16,720  
Balance, end of period, before effect of changes in the instrument-specific credit 60,998 63,573  
Effect of changes in the instrument-specific credit risk (1,899) (3,386)  
Ending balance, market risk benefits 59,099 60,187  
Reinsured MRB, end of period 18,256 18,391 $ 10,656
Balance, end of period, net of reinsurance 40,843 41,796  
Net amount at risk (a) $ 268,085 $ 266,438  
Weighted average attained age of contract holders (years) 70 years 70 years  
Fixed Index Annuities      
Market Risk Benefit [Roll Forward]      
Beginning balance, market risk benefits $ 2,606,673 $ 2,187,758  
Balance, beginning of period, before effect of changes in the instrument-specific credit risk 2,544,939 2,453,169  
Issuances 41,126 289,939  
Interest accrual 42,184 155,512  
Attributed fees collected 33,800 128,437  
Benefits payments 0 0  
Effect of changes in interest rates (208,365) (126,255)  
Effect of changes in equity markets (64,867) (48,164)  
Effect of changes in equity index volatility 28,599 (77,023)  
Effect of changes in future expected policyholder behavior 297 (11,582)  
Effect of changes in other future expected assumptions 0 (219,094)  
Balance, end of period, before effect of changes in the instrument-specific credit 2,417,713 2,544,939  
Effect of changes in the instrument-specific credit risk 121,508 61,734  
Ending balance, market risk benefits 2,539,221 2,606,673  
Reinsured MRB, end of period 609,566 640,826 $ 593,959
Balance, end of period, net of reinsurance 1,929,655 1,965,847  
Net amount at risk (a) $ 11,725,220 $ 11,721,734  
Weighted average attained age of contract holders (years) 71 years 71 years