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Insurance Reserves and Policyholder Funds, Liability for Unpaid Losses, Claims and Loss Adjustment Expenses (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
Claim
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance $ 74,112                  
Duration required for loss data to develop the estimated ultimate incurred claims 36 months                  
Minimum [Member]                    
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Property and casualty claim threshold amount required for review $ 25,000                  
Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 639,320                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 626,814                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 12,506                  
Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 277,968                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 229,570                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 48,398                  
Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 47,809                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 46,007                  
All outstanding liabilities prior period net of reinsurance 6                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 1,808                  
General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 12,151                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 6,901                  
All outstanding liabilities prior period net of reinsurance 208                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 5,458                  
Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 15,655                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 13,569                  
All outstanding liabilities prior period net of reinsurance 78                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 2,164                  
Accident Year 2015 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 54,985 $ 54,985 $ 54,985 $ 54,985 $ 54,985 $ 54,984 $ 54,990 $ 54,993 $ 54,939 $ 55,482
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 898                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 54,985 54,985 54,985 54,985 54,985 54,984 54,990 54,993 54,876 45,430
Accident Year 2015 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 21,016 21,021 20,955 20,849 20,680 20,086 20,007 20,017 19,857 18,521
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 3,537                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 21,016 21,021 20,904 20,726 20,234 19,557 17,612 14,938 11,878 6,226
Accident Year 2015 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 871 870 870 855 855 867 1,044 1,227 1,037 4,421
IBNR Reserves $ 4                  
Cumulative number of reported claims | Claim 150                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 855 854 854 855 855 863 664 464 259 98
Accident Year 2015 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,279 1,279 1,280 1,307 1,310 1,406 1,359 1,400 1,630 1,902
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 50                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 1,279 1,279 1,279 1,273 1,271 1,128 1,125 1,127 856 $ 641
Accident Year 2016 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 63,221 63,221 63,221 63,221 63,221 63,225 63,226 59,851 58,849  
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 1,037                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 63,221 63,221 63,221 63,221 63,221 63,225 63,226 59,747 49,165  
Accident Year 2016 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 22,448 22,448 22,448 22,310 22,245 22,388 21,846 21,275 20,549  
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 3,863                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 22,448 22,448 22,448 21,809 21,408 19,613 16,397 13,141 6,796  
Accident Year 2016 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 620 620 620 619 621 608 736 1,148 3,119  
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 94                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 620 620 620 619 617 608 568 203 116  
Accident Year 2016 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,660 1,666 1,670 1,678 1,865 1,876 1,865 1,812 3,314  
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 47                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 1,660 1,666 1,670 1,677 1,862 1,873 1,772 1,732 $ 1,054  
Accident Year 2017 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 69,633 69,632 69,633 69,633 69,635 69,643 69,655 67,960    
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 1,512                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 69,633 69,633 69,633 69,633 69,635 69,643 69,517 57,696    
Accident Year 2017 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 26,254 26,231 26,153 26,009 25,180 23,766 24,212 22,179    
IBNR Reserves $ 1                  
Cumulative number of reported claims | Claim 3,813                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 26,249 26,222 25,712 25,023 22,778 20,221 16,317 7,401    
Accident Year 2017 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 777 777 839 738 738 513 488 1,490    
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 84                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 777 777 741 696 556 365 136 75    
Accident Year 2017 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 3,403 3,448 3,440 3,514 3,629 3,799 3,671 4,677    
IBNR Reserves $ 2                  
Cumulative number of reported claims | Claim 67                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 3,394 3,400 3,402 3,442 3,545 3,523 3,255 $ 1,971    
Accident Year 2018 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 80,348 80,348 80,351 80,357 80,361 80,404 79,140      
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 2,052                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 80,348 80,348 80,351 80,355 80,361 80,222 66,565      
Accident Year 2018 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 31,170 31,135 30,464 30,013 27,338 25,682 24,284      
IBNR Reserves $ 109                  
Cumulative number of reported claims | Claim 3,651                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 30,507 29,201 27,671 24,662 21,121 15,647 6,989      
Accident Year 2018 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 193 183 183 128 198 333 1,656      
IBNR Reserves $ 2                  
Cumulative number of reported claims | Claim 77                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 185 183 183 128 115 90 65      
Accident Year 2018 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 750 750 767 956 1,381 1,938 3,528      
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 64                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 748 749 760 941 1,361 1,454 $ 1,157      
Accident Year 2019 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 86,978 86,980 86,986 86,988 87,028 88,765        
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 2,246                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 86,978 86,980 86,985 86,978 86,856 72,333        
Accident Year 2019 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 29,216 28,513 28,042 25,724 24,045 25,241        
IBNR Reserves $ 71                  
Cumulative number of reported claims | Claim 3,608                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 28,778 26,126 22,868 19,384 14,694 7,305        
Accident Year 2019 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 516 909 515 455 707 1,916        
IBNR Reserves $ 19                  
Cumulative number of reported claims | Claim 98                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 433 404 354 242 209 41        
Accident Year 2019 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 439 507 513 630 657 2,130        
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 32                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 439 444 446 568 395 $ 259        
Accident Year 2020 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 75,708 75,730 75,730 75,715 75,857          
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 1,853                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 75,708 75,715 75,710 75,527 63,129          
Accident Year 2020 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 21,459 21,164 20,137 16,442 22,416          
IBNR Reserves $ 163                  
Cumulative number of reported claims | Claim 2,523                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 20,466 18,133 14,693 9,941 5,172          
Accident Year 2020 [Member] | Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 10,013 10,024 10,047 10,080 10,288          
IBNR Reserves $ 4                  
Cumulative number of reported claims | Claim 1,645                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 9,973 9,992 10,008 9,952 8,347          
Accident Year 2020 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 793 363 657 670 2,223          
IBNR Reserves $ 45                  
Cumulative number of reported claims | Claim 91                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 593 539 462 385 208          
Accident Year 2020 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 402 460 465 574 2,263          
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 23                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 400 459 464 460 $ 97          
Accident Year 2021 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 61,740 61,785 61,579 65,267            
IBNR Reserves $ 14                  
Cumulative number of reported claims | Claim 1,771                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 61,726 61,733 61,350 50,197            
Accident Year 2021 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 27,041 24,957 21,172 25,887            
IBNR Reserves $ 733                  
Cumulative number of reported claims | Claim 2,791                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 24,798 19,230 13,918 6,242            
Accident Year 2021 [Member] | Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 13,329 13,305 13,385 14,296            
IBNR Reserves $ 2                  
Cumulative number of reported claims | Claim 1,913                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 13,302 13,257 13,277 11,993            
Accident Year 2021 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,267 1,328 1,329 2,567            
IBNR Reserves $ 33                  
Cumulative number of reported claims | Claim 105                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 1,178 813 646 364            
Accident Year 2021 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,475 1,497 1,455 2,936            
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 36                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 1,475 1,496 803 $ 156            
Accident Year 2022 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 55,970 56,047 58,777              
IBNR Reserves $ 50                  
Cumulative number of reported claims | Claim 2,107                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 55,920 55,808 46,111              
Accident Year 2022 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 31,633 27,293 28,860              
IBNR Reserves $ 2,446                  
Cumulative number of reported claims | Claim 2,918                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 24,137 18,010 7,023              
Accident Year 2022 [Member] | Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 10,564 10,648 10,962              
IBNR Reserves $ 3                  
Cumulative number of reported claims | Claim 1,772                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 10,528 10,368 8,475              
Accident Year 2022 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 2,530 2,380 2,770              
IBNR Reserves $ 408                  
Cumulative number of reported claims | Claim 135                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 1,622 1,169 402              
Accident Year 2022 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 2,296 2,339 3,202              
IBNR Reserves $ 32                  
Cumulative number of reported claims | Claim 51                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 2,180 2,191 $ 970              
Accident Year 2023 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 47,029 48,367                
IBNR Reserves $ 234                  
Cumulative number of reported claims | Claim 2,159                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 46,795 36,388                
Accident Year 2023 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 33,626 33,266                
IBNR Reserves $ 3,710                  
Cumulative number of reported claims | Claim 2,910                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 22,232 9,068                
Accident Year 2023 [Member] | Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 6,485 6,460                
IBNR Reserves $ 13                  
Cumulative number of reported claims | Claim 1,591                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 6,340 5,397                
Accident Year 2023 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,445 2,887                
IBNR Reserves $ 528                  
Cumulative number of reported claims | Claim 116                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 399 125                
Accident Year 2023 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,627 2,634                
IBNR Reserves $ 12                  
Cumulative number of reported claims | Claim 122                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 1,602 $ 98                
Accident Year 2024 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 43,708                  
IBNR Reserves $ 12,208                  
Cumulative number of reported claims | Claim 1,769                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 31,500                  
Accident Year 2024 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 34,105                  
IBNR Reserves $ 15,837                  
Cumulative number of reported claims | Claim 2,450                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 8,939                  
Accident Year 2024 [Member] | Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 7,418                  
IBNR Reserves $ 135                  
Cumulative number of reported claims | Claim 1,542                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 5,864                  
Accident Year 2024 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 3,139                  
IBNR Reserves $ 1,834                  
Cumulative number of reported claims | Claim 86                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 239                  
Accident Year 2024 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 2,324                  
IBNR Reserves $ 1,402                  
Cumulative number of reported claims | Claim 33                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 392