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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, 2023
USD ($)
Claim
Dec. 31, 2022
USD ($)
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 ($)
Dec. 31, 2014
USD ($)
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance $ 70,710                  
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 654,071                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 641,787                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 12,284                  
Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 258,123                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 211,554                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 46,569                  
Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 48,310                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 46,880                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 1,430                  
General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 10,831                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 5,989                  
All outstanding liabilities prior period net of reinsurance 341                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 5,183                  
Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 17,172                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance 14,352                  
All outstanding liabilities prior period net of reinsurance 33                  
Liabilities for losses, claims and loss adjustment expenses, net of reinsurance 2,853                  
Accident Year 2014 [Member] | Medicare Supplement [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 56,976 $ 56,976 $ 56,976 $ 56,976 $ 56,977 $ 56,976 $ 56,981 $ 56,981 $ 56,938 $ 57,179
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 940                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 56,976 56,976 56,976 56,976 56,977 56,976 56,981 56,981 56,938 48,024
Accident Year 2014 [Member] | Automobile Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 22,095 22,165 22,125 22,100 22,080 21,682 22,353 22,041 21,881 20,812
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 3,560                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 22,095 21,958 21,786 21,813 21,735 20,878 20,177 17,554 13,807 6,822
Accident Year 2014 [Member] | General Liability [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 514 511 519 523 497 406 476 557 501 3,744
IBNR Reserves $ 2                  
Cumulative number of reported claims | Claim 207                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 505 502 502 498 493 373 369 331 299 171
Accident Year 2014 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 2,592 2,852 2,782 2,818 2,617 2,685 2,760 2,990 3,130 3,214
IBNR Reserves $ 4                  
Cumulative number of reported claims | Claim 54                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 2,570 2,568 2,562 2,562 2,593 2,664 2,739 2,727 2,327 $ 1,331
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 54,984 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 54,984 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 21,021 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 $ 21,021 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 870 870 855 855 867 1,044 1,227 1,037 4,421  
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 149                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 1,280 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 1,273 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 63,225 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 63,225 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 22,310 22,245 22,388 21,846 21,275 20,549    
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 3,862                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 620 620 619 621 608 736 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 $ 620 620 619 617 608 568 203 116    
Accident Year 2016 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 1,666 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 $ 1,666 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 69,632 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 69,635 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 26,231 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 $ 26,222 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 777 839 738 738 513 488 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 $ 777 741 696 556 365 136 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 3,448 3,440 3,514 3,629 3,799 3,671 4,677      
IBNR Reserves $ 8                  
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 $ 3,400 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 80,351 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 80,351 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 31,135 30,464 30,013 27,338 25,682 24,284        
IBNR Reserves $ 323                  
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 $ 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 183 183 128 198 333 1,656        
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 76                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 750 767 956 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 $ 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 86,980 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 $ 86,980 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 28,513 28,042 25,724 24,045 25,241          
IBNR Reserves $ 397                  
Cumulative number of reported claims | Claim 3,606                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 26,126 22,868 19,384 14,694 7,305          
Accident Year 2019 [Member] | Automobile Physical Damage [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 7,873 7,881 7,914 8,026 8,526          
IBNR Reserves $ 1                  
Cumulative number of reported claims | Claim 1,495                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 7,866 7,867 7,906 8,005 6,360          
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 909 515 455 707 1,916          
IBNR Reserves $ 117                  
Cumulative number of reported claims | Claim 95                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 507 513 630 657 2,130          
IBNR Reserves $ 11                  
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 $ 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 75,730 75,730 75,715 75,857            
IBNR Reserves $ 14                  
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 $ 75,715 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 21,164 20,137 16,442 22,416            
IBNR Reserves $ 1,010                  
Cumulative number of reported claims | Claim 2,517                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 10,024 10,047 10,080 10,288            
IBNR Reserves $ 3                  
Cumulative number of reported claims | Claim 1,642                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 363 657 670 2,223            
IBNR Reserves $ (66)                  
Cumulative number of reported claims | Claim 89                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 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 $ 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 61,785 61,579 65,267              
IBNR Reserves $ 52                  
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 $ 61,733 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 24,957 21,172 25,887              
IBNR Reserves $ 1,899                  
Cumulative number of reported claims | Claim 2,774                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 13,305 13,385 14,296              
IBNR Reserves $ 4                  
Cumulative number of reported claims | Claim 1,900                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 1,328 1,329 2,567              
IBNR Reserves $ 215                  
Cumulative number of reported claims | Claim 102                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 1,497 1,455 2,936              
IBNR Reserves $ 0                  
Cumulative number of reported claims | Claim 35                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 56,047 58,777                
IBNR Reserves $ 239                  
Cumulative number of reported claims | Claim 2,103                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 27,293 28,860                
IBNR Reserves $ 3,093                  
Cumulative number of reported claims | Claim 2,845                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 10,648 10,962                
IBNR Reserves $ 33                  
Cumulative number of reported claims | Claim 1,756                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 2,380 2,770                
IBNR Reserves $ 634                  
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 $ 1,169 402                
Accident Year 2022 [Member] | Surety [Member]                    
Incurred Claims Development, Net of Reinsurance [Abstract]                    
Incurred losses, claims and allocated loss adjustment expenses, net of reinsurance 2,339 3,202                
IBNR Reserves $ 72                  
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 $ 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 48,367                  
IBNR Reserves $ 11,979                  
Cumulative number of reported claims | Claim 1,864                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 33,266                  
IBNR Reserves $ 16,714                  
Cumulative number of reported claims | Claim 2,558                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 6,460                  
IBNR Reserves $ 96                  
Cumulative number of reported claims | Claim 1,401                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 2,887                  
IBNR Reserves $ 1,906                  
Cumulative number of reported claims | Claim 87                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 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 2,634                  
IBNR Reserves $ 1,590                  
Cumulative number of reported claims | Claim 108                  
Cumulative Paid Claims Development, Net of Reinsurance [Abstract]                    
Cumulative paid losses, claims and allocated loss adjustment expense, net of reinsurance $ 98