v3.26.1
Policy Liabilities - Schedule of Liability for Future Policy Benefit, Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Total future policy benefits $ 18,934,135 $ 18,756,844 $ 19,169,687  
Life        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 11,768,645 11,757,317    
Beginning balance at original discount rates 11,429,208 11,638,918    
Effect of changes in assumptions on future cash flows     0 $ 0
Effect of actual variances from expected experience     (137,899) (102,139)
Adjusted balance     11,291,309 11,536,779
Issuances 320,502 348,404    
Interest accrual 143,120 147,819    
Net premiums collected (326,000) (331,524)    
Effect of changes in the foreign exchange rate (438) 2,105    
Ending balance at original discount rates 11,428,493 11,703,583    
Effect of change from original to current discount rates 149,690 238,542    
Ending balance 11,578,183 11,942,125    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 26,988,845 26,334,284    
Beginning balance at original discount rates 25,457,642 25,091,823    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (158,491) (111,920)
Adjusted balance     25,299,151 24,979,903
Issuances 320,502 348,403    
Interest accrual 347,592 344,775    
Benefit payments (340,025) (348,655)    
Effect of changes in the foreign exchange rate (875) 4,347    
Ending balance 25,626,345 25,328,773    
Effect of change from original to current discount rates 983,684 1,463,699    
Ending balance 26,610,029 26,792,472    
Net liability for future policy benefits at original discount rates 14,197,852 13,625,190    
Effect of changes in discount rate assumptions 833,994 1,225,157    
Other adjustments 452 507    
Total future policy benefits 15,032,298 14,850,854    
Reinsurance recoverable (8,369) (8,122)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 15,023,929 14,842,732    
Policyholder benefits net of remeasurement gains (losses) 18,940 8,525    
Life | American Income        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 4,792,153 4,645,917    
Beginning balance at original discount rates 4,710,303 4,656,710    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (59,866) (51,617)
Adjusted balance     4,650,437 4,605,093
Issuances 167,012 195,634    
Interest accrual 55,815 56,466    
Net premiums collected (141,243) (139,565)    
Effect of changes in the foreign exchange rate (438) 2,105    
Ending balance at original discount rates 4,731,583 4,719,733    
Effect of change from original to current discount rates 9,119 37,311    
Ending balance 4,740,702 4,757,044    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 10,358,054 9,870,692    
Beginning balance at original discount rates 9,905,431 9,508,588    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (66,848) (55,814)
Adjusted balance     9,838,583 9,452,774
Issuances 167,013 195,633    
Interest accrual 131,015 127,459    
Benefit payments (113,572) (109,126)    
Effect of changes in the foreign exchange rate (875) 4,347    
Ending balance 10,022,164 9,671,087    
Effect of change from original to current discount rates 238,693 441,809    
Ending balance 10,260,857 10,112,896    
Net liability for future policy benefits at original discount rates 5,290,581 4,951,354    
Effect of changes in discount rate assumptions 229,574 404,498    
Other adjustments 204 224    
Total future policy benefits 5,520,359 5,356,076    
Reinsurance recoverable (195) (186)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 5,520,164 5,355,890    
Life | DTC        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 5,542,616 5,622,906    
Beginning balance at original discount rates 5,321,113 5,504,912    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (65,733) (38,917)
Adjusted balance     5,255,380 5,465,995
Issuances 121,469 121,780    
Interest accrual 69,444 72,207    
Net premiums collected (142,704) (147,711)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 5,303,589 5,512,271    
Effect of change from original to current discount rates 128,114 173,844    
Ending balance 5,431,703 5,686,115    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 9,205,616 9,125,112    
Beginning balance at original discount rates 8,616,929 8,660,948    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (75,724) (41,948)
Adjusted balance     8,541,205 8,619,000
Issuances 121,469 121,779    
Interest accrual 118,467 119,194    
Benefit payments (134,299) (150,039)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 8,646,842 8,709,934    
Effect of change from original to current discount rates 412,253 543,806    
Ending balance 9,059,095 9,253,740    
Net liability for future policy benefits at original discount rates 3,343,253 3,197,663    
Effect of changes in discount rate assumptions 284,139 369,962    
Other adjustments 214 208    
Total future policy benefits 3,627,606 3,567,833    
Reinsurance recoverable 0 0    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 3,627,606 3,567,833    
Life | Liberty National        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 1,008,538 1,048,447    
Beginning balance at original discount rates 988,843 1,047,020    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (10,275) (7,916)
Adjusted balance     978,568 1,039,104
Issuances 26,812 25,780    
Interest accrual 12,515 13,521    
Net premiums collected (31,552) (33,262)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 986,343 1,045,143    
Effect of change from original to current discount rates 3,671 13,553    
Ending balance 990,014 1,058,696    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 3,371,175 3,377,517    
Beginning balance at original discount rates 3,291,890 3,340,219    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (12,123) (8,711)
Adjusted balance     3,279,767 3,331,508
Issuances 26,812 25,780    
Interest accrual 43,797 44,736    
Benefit payments (52,738) (54,594)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 3,297,638 3,347,430    
Effect of change from original to current discount rates 13,130 68,427    
Ending balance 3,310,768 3,415,857    
Net liability for future policy benefits at original discount rates 2,311,295 2,302,287    
Effect of changes in discount rate assumptions 9,459 54,874    
Other adjustments 1 0    
Total future policy benefits 2,320,755 2,357,161    
Reinsurance recoverable (8,162) (7,922)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 2,312,593 2,349,239    
Life | Other        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 425,338 440,047    
Beginning balance at original discount rates 408,949 430,276    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (2,025) (3,689)
Adjusted balance     406,924 426,587
Issuances 5,209 5,210    
Interest accrual 5,346 5,625    
Net premiums collected (10,501) (10,986)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 406,978 426,436    
Effect of change from original to current discount rates 8,786 13,834    
Ending balance 415,764 440,270    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 4,054,000 3,960,963    
Beginning balance at original discount rates 3,643,392 3,582,068    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (3,796) (5,447)
Adjusted balance     3,639,596 3,576,621
Issuances 5,208 5,211    
Interest accrual 54,313 53,386    
Benefit payments (39,416) (34,896)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 3,659,701 3,600,322    
Effect of change from original to current discount rates 319,608 409,657    
Ending balance 3,979,309 4,009,979    
Net liability for future policy benefits at original discount rates 3,252,723 3,173,886    
Effect of changes in discount rate assumptions 310,822 395,823    
Other adjustments 33 75    
Total future policy benefits 3,563,578 3,569,784    
Reinsurance recoverable (12) (14)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 3,563,566 3,569,770    
Life | Gain Loss From Expereince        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 18,940 8,525    
Life | Gain Loss From Expereince | American Income        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 7,060 4,179    
Life | Gain Loss From Expereince | DTC        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 9,819 2,980    
Life | Gain Loss From Expereince | Liberty National        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 954 182    
Life | Gain Loss From Expereince | Other        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 1,107 1,184    
Life | Gain (Loss) From Unlocking Assumptions        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Life | Gain (Loss) From Unlocking Assumptions | American Income        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Life | Gain (Loss) From Unlocking Assumptions | DTC        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Life | Gain (Loss) From Unlocking Assumptions | Liberty National        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Life | Gain (Loss) From Unlocking Assumptions | Other        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Health        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 7,944,659 6,314,148    
Beginning balance at original discount rates 7,947,241 6,512,064    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (45,909) (59,132)
Adjusted balance     7,901,332 6,452,932
Issuances 329,029 212,145    
Interest accrual 90,749 74,924    
Net premiums collected (172,289) (152,203)    
Effect of changes in the foreign exchange rate (21) 222    
Ending balance at original discount rates 8,148,800 6,588,020    
Effect of change from original to current discount rates (126,521) (118,389)    
Ending balance 8,022,279 6,469,631    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 10,316,547 8,586,253    
Beginning balance at original discount rates 10,479,149 9,006,731    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (55,841) (59,201)
Adjusted balance     10,423,308 8,947,530
Issuances 328,514 211,709    
Interest accrual 119,820 103,346    
Benefit payments (188,685) (172,883)    
Effect of changes in the foreign exchange rate (37) 352    
Ending balance 10,682,920 9,090,054    
Effect of change from original to current discount rates (338,817) (312,587)    
Ending balance 10,344,103 8,777,467    
Net liability for future policy benefits at original discount rates 2,534,120 2,502,034    
Effect of changes in discount rate assumptions (212,296) (194,198)    
Other adjustments 107,061 53,522    
Total future policy benefits 2,428,885 2,361,358    
Reinsurance recoverable (2,650) (3,499)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 2,426,235 2,357,859    
Policyholder benefits net of remeasurement gains (losses) 6,016 444    
Health | United American        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 5,330,081 3,885,530    
Beginning balance at original discount rates 5,273,275 3,948,856    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (22,490) (28,215)
Adjusted balance     5,250,785 3,920,641
Issuances 235,135 117,625    
Interest accrual 61,802 46,870    
Net premiums collected (95,351) (79,516)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 5,452,371 4,005,620    
Effect of change from original to current discount rates (28,767) (11,927)    
Ending balance 5,423,604 3,993,693    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 5,345,453 3,960,432    
Beginning balance at original discount rates 5,296,183 4,026,860    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (27,386) (25,054)
Adjusted balance     5,268,797 4,001,806
Issuances 234,791 117,400    
Interest accrual 62,260 47,983    
Benefit payments (111,620) (100,534)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 5,454,228 4,066,655    
Effect of change from original to current discount rates (37,549) (15,333)    
Ending balance 5,416,679 4,051,322    
Net liability for future policy benefits at original discount rates 1,857 61,035    
Effect of changes in discount rate assumptions (8,782) (3,406)    
Other adjustments 77,590 34,570    
Total future policy benefits 70,665 92,199    
Reinsurance recoverable (1,976) (2,511)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 68,689 89,688    
Health | Family Heritage        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 1,822,012 1,734,875    
Beginning balance at original discount rates 1,895,803 1,867,873    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (12,892) (13,901)
Adjusted balance     1,882,911 1,853,972
Issuances 68,417 64,760    
Interest accrual 19,928 19,640    
Net premiums collected (52,728) (49,418)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 1,918,528 1,888,954    
Effect of change from original to current discount rates (100,506) (111,603)    
Ending balance 1,818,022 1,777,351    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 3,586,908 3,336,546    
Beginning balance at original discount rates 3,845,648 3,712,044    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (15,495) (15,756)
Adjusted balance     3,830,153 3,696,288
Issuances 68,418 64,760    
Interest accrual 40,486 38,756    
Benefit payments (40,156) (38,334)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 3,898,901 3,761,470    
Effect of change from original to current discount rates (325,535) (330,868)    
Ending balance 3,573,366 3,430,602    
Net liability for future policy benefits at original discount rates 1,980,373 1,872,516    
Effect of changes in discount rate assumptions (225,029) (219,265)    
Other adjustments 694 1,315    
Total future policy benefits 1,756,038 1,654,566    
Reinsurance recoverable 0 0    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 1,756,038 1,654,566    
Health | American Income        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 248,400 223,247    
Beginning balance at original discount rates 245,300 225,141    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (3,307) (4,881)
Adjusted balance     241,993 220,260
Issuances 8,578 10,441    
Interest accrual 2,845 2,643    
Net premiums collected (7,013) (6,714)    
Effect of changes in the foreign exchange rate (21) 222    
Ending balance at original discount rates 246,382 226,852    
Effect of change from original to current discount rates (731) 421    
Ending balance 245,651 227,273    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 393,599 355,303    
Beginning balance at original discount rates 380,082 348,711    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (3,975) (6,195)
Adjusted balance     376,107 342,516
Issuances 8,579 10,441    
Interest accrual 4,796 4,456    
Benefit payments (7,418) (5,320)    
Effect of changes in the foreign exchange rate (37) 352    
Ending balance 382,027 352,445    
Effect of change from original to current discount rates 6,859 10,095    
Ending balance 388,886 362,540    
Net liability for future policy benefits at original discount rates 135,645 125,593    
Effect of changes in discount rate assumptions 7,590 9,674    
Other adjustments 647 699    
Total future policy benefits 143,882 135,966    
Reinsurance recoverable 0 0    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 143,882 135,966    
Health | DTC        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 207,323 133,377    
Beginning balance at original discount rates 201,449 131,919    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (209) (1,415)
Adjusted balance     201,240 130,504
Issuances 4,807 6,662    
Interest accrual 2,292 1,681    
Net premiums collected (4,035) (3,435)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 204,304 135,412    
Effect of change from original to current discount rates 2,597 2,971    
Ending balance 206,901 138,383    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 196,732 129,277    
Beginning balance at original discount rates 191,272 127,975    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (834) (1,191)
Adjusted balance     190,438 126,784
Issuances 4,787 6,630    
Interest accrual 2,291 1,681    
Benefit payments (5,020) (4,273)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 192,496 130,822    
Effect of change from original to current discount rates 2,415 2,741    
Ending balance 194,911 133,563    
Net liability for future policy benefits at original discount rates (11,808) (4,590)    
Effect of changes in discount rate assumptions (182) (230)    
Other adjustments 12,553 5,575    
Total future policy benefits 563 755    
Reinsurance recoverable 0 0    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 563 755    
Health | Liberty National        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Beginning balance 336,843 337,119    
Beginning balance at original discount rates 331,414 338,275    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (7,011) (10,720)
Adjusted balance     324,403 327,555
Issuances 12,092 12,657    
Interest accrual 3,882 4,090    
Net premiums collected (13,162) (13,120)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance at original discount rates 327,215 331,182    
Effect of change from original to current discount rates 886 1,749    
Ending balance 328,101 332,931    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Beginning balance 793,855 804,695    
Beginning balance at original discount rates 765,964 791,141    
Effect of changes in assumptions on future cash flows     0 0
Effect of actual variances from expected experience     (8,151) (11,005)
Adjusted balance     $ 757,813 $ 780,136
Issuances 11,939 12,478    
Interest accrual 9,987 10,470    
Benefit payments (24,471) (24,422)    
Effect of changes in the foreign exchange rate 0 0    
Ending balance 755,268 778,662    
Effect of change from original to current discount rates 14,993 20,778    
Ending balance 770,261 799,440    
Net liability for future policy benefits at original discount rates 428,053 447,480    
Effect of changes in discount rate assumptions 14,107 19,029    
Other adjustments 15,577 11,363    
Total future policy benefits 457,737 477,872    
Reinsurance recoverable (674) (988)    
Net liability for future policy benefits, after reinsurance recoverable, at current discount rates 457,063 476,884    
Health | Gain Loss From Expereince        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 6,016 444    
Health | Gain Loss From Expereince | United American        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 1,923 (3,820)    
Health | Gain Loss From Expereince | Family Heritage        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 2,558 1,836    
Health | Gain Loss From Expereince | American Income        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 656 1,249    
Health | Gain Loss From Expereince | DTC        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 45 (4)    
Health | Gain Loss From Expereince | Liberty National        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 834 1,183    
Health | Gain (Loss) From Unlocking Assumptions        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Health | Gain (Loss) From Unlocking Assumptions | United American        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Health | Gain (Loss) From Unlocking Assumptions | Family Heritage        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Health | Gain (Loss) From Unlocking Assumptions | American Income        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Health | Gain (Loss) From Unlocking Assumptions | DTC        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) 0 0    
Health | Gain (Loss) From Unlocking Assumptions | Liberty National        
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Policyholder benefits net of remeasurement gains (losses) $ 0 $ 0