v3.26.1
Policyholders' Liabilities (Schedule of Liability for Future Policy Benefits) (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Future policy benefit liability $ 1,182,592 $ 1,171,356 $ 1,189,427  
International Insurance Segment        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, beginning of year 261,986 253,536    
Beginning balance at original discount rate 263,317 263,086    
Effect of actual variances from expected experience     3,876 $ 2,456
Adjusted beginning of year balance     267,193 265,542
Issuances 15,027 16,418    
Interest accrual 5,348 5,245    
Net premiums collected (24,746) (24,244)    
Derecognition and other 551 108    
Ending balance at original discount rate 263,373 263,069    
Effect of changes in discount rates (4,020) (5,783)    
Balance, end of period 259,353 257,286    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Pre-adoption liability, beginning balance 1,076,902 1,073,397    
Beginning balance at original discount rate 1,106,318 1,136,459    
Effect of actual variances from expected experience     7,783 4,549
Adjusted beginning of year balance     1,114,101 1,141,008
Issuances 15,406 16,905    
Interest accrual 23,723 24,359    
Benefit payments (55,032) (63,326)    
Derecognition and other 289 (428)    
Ending balance at original discount rate 1,098,487 1,118,518    
Effect of changes in discount rates (41,092) (51,441)    
Post-adoption liability, ending balance 1,057,395 1,067,077    
Net liability for future policy benefits 798,042 809,791    
Plus: Flooring impact 2      
Less: Reinsurance recoverable 0 0    
Future policy benefit liability 798,044 809,791    
Domestic Insurance Segment        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, beginning of year 202,897 169,680    
Beginning balance at original discount rate 205,517 178,771    
Effect of actual variances from expected experience     (28,005) (21,711)
Adjusted beginning of year balance     177,512 157,060
Issuances 57,283 49,785    
Interest accrual 4,504 4,018    
Net premiums collected (14,241) (11,589)    
Derecognition and other (3,881) (4,301)    
Ending balance at original discount rate 221,177 194,973    
Effect of changes in discount rates (4,438) (6,616)    
Balance, end of period 216,739 188,357    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Pre-adoption liability, beginning balance 463,602 420,673    
Beginning balance at original discount rate 492,596 458,402    
Effect of actual variances from expected experience     (28,064) (20,808)
Adjusted beginning of year balance     464,532 437,594
Issuances 57,276 49,766    
Interest accrual 11,327 10,693    
Benefit payments (15,510) (13,459)    
Derecognition and other (3,846) (4,295)    
Ending balance at original discount rate 513,779 480,299    
Effect of changes in discount rates (30,538) (38,363)    
Post-adoption liability, ending balance 483,241 441,936    
Net liability for future policy benefits 266,502 253,579    
Plus: Flooring impact 0      
Less: Reinsurance recoverable 9,408 3,986    
Future policy benefit liability 257,094 249,593    
Permanent | International Insurance Segment        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, beginning of year 241,394 237,944    
Beginning balance at original discount rate 242,912 247,279    
Effect of actual variances from expected experience     3,559 1,478
Adjusted beginning of year balance     246,471 248,757
Issuances 13,488 14,578    
Interest accrual 4,948 4,929    
Net premiums collected (21,553) (21,513)    
Derecognition and other 421 (44)    
Ending balance at original discount rate 243,775 246,707    
Effect of changes in discount rates (4,020) (5,763)    
Balance, end of period 239,755 240,944    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Pre-adoption liability, beginning balance 910,575 914,153    
Beginning balance at original discount rate 932,243 965,548    
Effect of actual variances from expected experience     6,167 2,406
Adjusted beginning of year balance     938,410 967,954
Issuances 13,790 14,911    
Interest accrual 20,264 20,972    
Benefit payments (46,664) (53,633)    
Derecognition and other 112 (425)    
Ending balance at original discount rate 925,912 949,779    
Effect of changes in discount rates (31,518) (41,513)    
Post-adoption liability, ending balance 894,394 908,266    
Net liability for future policy benefits 654,639 667,322    
Plus: Flooring impact 2      
Less: Reinsurance recoverable 0 0    
Future policy benefit liability 654,641 667,322    
Permanent | Domestic Insurance Segment        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, beginning of year 189,845 156,432    
Beginning balance at original discount rate 192,071 164,666    
Effect of actual variances from expected experience     (26,934) (20,452)
Adjusted beginning of year balance     165,137 144,214
Issuances 56,315 48,645    
Interest accrual 4,260 3,769    
Net premiums collected (14,010) (11,529)    
Derecognition and other (3,875) (4,304)    
Ending balance at original discount rate 207,827 180,795    
Effect of changes in discount rates (3,980) (5,959)    
Balance, end of period 203,847 174,836    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Pre-adoption liability, beginning balance 324,382 281,212    
Beginning balance at original discount rate 339,821 304,500    
Effect of actual variances from expected experience     (27,148) (20,358)
Adjusted beginning of year balance     312,673 284,142
Issuances 56,304 48,631    
Interest accrual 7,751 7,100    
Benefit payments (11,884) (9,753)    
Derecognition and other (3,892) (4,299)    
Ending balance at original discount rate 360,952 325,821    
Effect of changes in discount rates (16,671) (22,525)    
Post-adoption liability, ending balance 344,281 303,296    
Net liability for future policy benefits 140,434 128,460    
Plus: Flooring impact 0      
Less: Reinsurance recoverable 9,408 3,986    
Future policy benefit liability 131,026 124,474    
Permanent Limited Pay | International Insurance Segment        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, beginning of year 20,592 15,592    
Beginning balance at original discount rate 20,405 15,807    
Effect of actual variances from expected experience     317 978
Adjusted beginning of year balance     20,722 16,785
Issuances 1,539 1,840    
Interest accrual 400 316    
Net premiums collected (3,193) (2,731)    
Derecognition and other 130 152    
Ending balance at original discount rate 19,598 16,362    
Effect of changes in discount rates 0 (20)    
Balance, end of period 19,598 16,342    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Pre-adoption liability, beginning balance 166,327 159,244    
Beginning balance at original discount rate 174,075 170,911    
Effect of actual variances from expected experience     1,616 2,143
Adjusted beginning of year balance     175,691 173,054
Issuances 1,616 1,994    
Interest accrual 3,459 3,387    
Benefit payments (8,368) (9,693)    
Derecognition and other 177 (3)    
Ending balance at original discount rate 172,575 168,739    
Effect of changes in discount rates (9,574) (9,928)    
Post-adoption liability, ending balance 163,001 158,811    
Net liability for future policy benefits 143,403 142,469    
Plus: Flooring impact 0      
Less: Reinsurance recoverable 0 0    
Future policy benefit liability 143,403 142,469    
Permanent Limited Pay | Domestic Insurance Segment        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance, beginning of year 13,052 13,248    
Beginning balance at original discount rate 13,446 14,105    
Effect of actual variances from expected experience     (1,071) (1,259)
Adjusted beginning of year balance     12,375 12,846
Issuances 968 1,140    
Interest accrual 244 249    
Net premiums collected (231) (60)    
Derecognition and other (6) 3    
Ending balance at original discount rate 13,350 14,178    
Effect of changes in discount rates (458) (657)    
Balance, end of period 12,892 13,521    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Pre-adoption liability, beginning balance 139,220 139,461    
Beginning balance at original discount rate 152,775 153,902    
Effect of actual variances from expected experience     (916) (450)
Adjusted beginning of year balance     $ 151,859 $ 153,452
Issuances 972 1,135    
Interest accrual 3,576 3,593    
Benefit payments (3,626) (3,706)    
Derecognition and other 46 4    
Ending balance at original discount rate 152,827 154,478    
Effect of changes in discount rates (13,867) (15,838)    
Post-adoption liability, ending balance 138,960 138,640    
Net liability for future policy benefits 126,068 125,119    
Plus: Flooring impact 0      
Less: Reinsurance recoverable 0 0    
Future policy benefit liability $ 126,068 $ 125,119