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Unpaid Losses and Loss Adjustment Expenses (Details) - Schedule of Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance
$ in Thousands
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 ($)
 [1]
Dec. 31, 2014
USD ($)
 [1]
Private Passenger Auto [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 467,379                
Private Passenger Auto [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 29,415 29,409 $ 29,423 $ 29,479 $ 29,298 $ 29,144 $ 29,099 $ 30,427 $ 31,349 $ 32,548
Total IBNR Plus Expected Development on Reported Claims (1)                  
Cumulative Number of Reported Claims 11,745                  
Private Passenger Auto [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 30,351 30,370 30,379 30,455 30,679 30,503 30,461 31,532 32,438
Total IBNR Plus Expected Development on Reported Claims (5)                  
Cumulative Number of Reported Claims 11,688                  
Private Passenger Auto [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 38,566 38,601 38,416 38,535 39,314 39,057 39,260 40,227
Total IBNR Plus Expected Development on Reported Claims 24                  
Cumulative Number of Reported Claims 14,325                  
Private Passenger Auto [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 40,471 40,520 40,488 40,427 40,120 40,199 40,779
Total IBNR Plus Expected Development on Reported Claims 44                  
Cumulative Number of Reported Claims 13,753                  
Private Passenger Auto [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 43,733 43,807 43,575 43,641 43,428 44,925
Total IBNR Plus Expected Development on Reported Claims 206                  
Cumulative Number of Reported Claims 14,675                  
Private Passenger Auto [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 52,749 52,802 53,364 53,328 53,769
Total IBNR Plus Expected Development on Reported Claims 329                  
Cumulative Number of Reported Claims 16,540                  
Private Passenger Auto [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 47,174 47,403 48,519 46,247
Total IBNR Plus Expected Development on Reported Claims 680                  
Cumulative Number of Reported Claims 13,541                  
Private Passenger Auto [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 57,431 57,176 57,316
Total IBNR Plus Expected Development on Reported Claims 660                  
Cumulative Number of Reported Claims 15,321                  
Private Passenger Auto [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 65,132 66,711
Total IBNR Plus Expected Development on Reported Claims 1,379                  
Cumulative Number of Reported Claims 16,146                  
Private Passenger Auto [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 62,357
Total IBNR Plus Expected Development on Reported Claims 3,753                  
Cumulative Number of Reported Claims 12,671                  
Non-Standard Auto (Primero) [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 90,056                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 7,606 7,606 7,606 7,606 7,625 7,612 7,577 7,591 7,619 7,297
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 1,838                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 9,623 9,623 9,623 9,622 9,641 9,691 9,655 9,806 9,727
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 1,795                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 9,974 9,974 9,976 10,008 10,033 10,054 10,048 9,967
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 1,741                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 8,659 8,659 8,543 8,541 8,556 8,654 8,722
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 1,470                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 11,780 11,776 11,766 11,763 11,804 10,445
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 1,801                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 11,227 11,221 11,236 11,391 12,264
Total IBNR Plus Expected Development on Reported Claims 4                  
Cumulative Number of Reported Claims 1,506                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 9,041 8,936 8,824 9,018
Total IBNR Plus Expected Development on Reported Claims 21                  
Cumulative Number of Reported Claims 968                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 10,083 10,016 10,073
Total IBNR Plus Expected Development on Reported Claims 62                  
Cumulative Number of Reported Claims 1,015                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 5,780 5,905
Total IBNR Plus Expected Development on Reported Claims 171                  
Cumulative Number of Reported Claims 586                  
Non-Standard Auto (Primero) [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 6,283
Total IBNR Plus Expected Development on Reported Claims 610                  
Cumulative Number of Reported Claims 611                  
Non-Standard Auto (Direct Auto) [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 231,867                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 6,476 6,440 6,524 6,672 6,476 6,745 8,381 [1] 6,224 [1] 9,068 14,010
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 4,776                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 10,718 10,416 10,576 10,945 10,704 10,538 13,043 [1] 14,498 [1] 17,917
Total IBNR Plus Expected Development on Reported Claims (1)                  
Cumulative Number of Reported Claims 9,057                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 12,121 11,973 12,291 12,876 13,956 13,552 14,660 [1] 20,547 [1]
Total IBNR Plus Expected Development on Reported Claims (31)                  
Cumulative Number of Reported Claims 11,137                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 13,565 13,244 13,678 14,648 15,858 18,621 23,376 [1] [1]
Total IBNR Plus Expected Development on Reported Claims (8)                  
Cumulative Number of Reported Claims 11,720                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 20,961 20,262 20,541 21,980 22,662 25,791 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 60                  
Cumulative Number of Reported Claims 14,917                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 25,432 24,879 24,574 25,473 24,932 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 649                  
Cumulative Number of Reported Claims 10,918                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 25,616 23,571 22,919 24,036 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 1,059                  
Cumulative Number of Reported Claims 13,348                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 35,254 30,596 30,579 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 1,748                  
Cumulative Number of Reported Claims 14,758                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 37,592 33,609 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 1,721                  
Cumulative Number of Reported Claims 12,564                  
Non-Standard Auto (Direct Auto) [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 44,132 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 15,675                  
Cumulative Number of Reported Claims 11,389                  
Home and Farm [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 490,713                  
Home and Farm [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 35,765 35,507 35,503 35,497 35,534 35,685 35,591 35,769 35,981 36,620
Total IBNR Plus Expected Development on Reported Claims 10                  
Cumulative Number of Reported Claims 5,247                  
Home and Farm [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 31,599 31,601 31,600 31,612 31,446 31,577 31,300 31,804 32,740
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 3,924                  
Home and Farm [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 44,788 44,809 44,745 44,728 44,597 44,945 44,513 45,713
Total IBNR Plus Expected Development on Reported Claims 2                  
Cumulative Number of Reported Claims 6,354                  
Home and Farm [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 41,590 41,640 41,804 41,779 41,882 41,593 42,112
Total IBNR Plus Expected Development on Reported Claims 4                  
Cumulative Number of Reported Claims 4,955                  
Home and Farm [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 43,731 43,712 43,682 43,747 43,840 42,486
Total IBNR Plus Expected Development on Reported Claims 42                  
Cumulative Number of Reported Claims 4,596                  
Home and Farm [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 45,106 45,352 45,471 45,828 45,334
Total IBNR Plus Expected Development on Reported Claims 43                  
Cumulative Number of Reported Claims 5,521                  
Home and Farm [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 34,761 34,656 35,668 36,264
Total IBNR Plus Expected Development on Reported Claims 73                  
Cumulative Number of Reported Claims 4,114                  
Home and Farm [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 50,759 50,322 53,079
Total IBNR Plus Expected Development on Reported Claims 324                  
Cumulative Number of Reported Claims 5,378                  
Home and Farm [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 105,409 112,049
Total IBNR Plus Expected Development on Reported Claims 1,204                  
Cumulative Number of Reported Claims 8,304                  
Home and Farm [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 57,205
Total IBNR Plus Expected Development on Reported Claims 3,253                  
Cumulative Number of Reported Claims 3,920                  
Crop [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 227,589                  
Crop [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 20,333 20,333 20,333 20,333 20,333 20,333 20,333 20,333 20,333 22,688
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 2,268                  
Crop [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 13,849 13,849 13,849 13,849 13,849 13,849 13,849 13,849 13,813
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 2,427                  
Crop [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 19,487 19,487 19,487 19,487 19,487 19,487 19,582 20,209
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 2,806                  
Crop [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 34,181 34,181 34,181 34,181 34,181 34,181 33,734
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 2,968                  
Crop [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 11,730 11,730 11,730 11,730 11,730 12,506
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 2,147                  
Crop [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 37,630 37,629 37,629 37,629 33,913
Total IBNR Plus Expected Development on Reported Claims 1                  
Cumulative Number of Reported Claims 3,101                  
Crop [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 28,760 28,759 28,759 28,688
Total IBNR Plus Expected Development on Reported Claims 1                  
Cumulative Number of Reported Claims 2,442                  
Crop [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 28,146 28,144 28,574
Total IBNR Plus Expected Development on Reported Claims 3                  
Cumulative Number of Reported Claims 2,726                  
Crop [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 20,745 21,834
Total IBNR Plus Expected Development on Reported Claims 11                  
Cumulative Number of Reported Claims 2,021                  
Crop [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 12,728
Total IBNR Plus Expected Development on Reported Claims 23                  
Cumulative Number of Reported Claims 1,516                  
Commercial (Westminster) [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 205,883                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 4,443 4,443 4,443 4,445 4,443 [1] 4,450 [1] 4,428 [1] 4,286 [1] 4,274 4,385
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 272                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 4,317 4,290 4,294 4,238 4,293 [1] 4,218 [1] 4,019 [1] 3,258 [1] 3,082
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 278                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 6,396 6,353 6,354 6,248 6,091 [1] 6,200 [1] 5,719 [1] 4,661 [1]
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 264                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 7,900 7,855 7,905 7,347 6,838 [1] 6,249 [1] 5,552 [1] [1]
Total IBNR Plus Expected Development on Reported Claims 38                  
Cumulative Number of Reported Claims 320                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 12,893 13,100 12,769 12,414 11,177 [1] 10,358 [1] [1] [1]
Total IBNR Plus Expected Development on Reported Claims 57                  
Cumulative Number of Reported Claims 480                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 15,764 15,370 14,564 13,051 11,658 [1] [1] [1] [1]
Total IBNR Plus Expected Development on Reported Claims 981                  
Cumulative Number of Reported Claims 423                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 16,327 15,404 14,063 14,774 [1] [1] [1] [1]
Total IBNR Plus Expected Development on Reported Claims 1,181                  
Cumulative Number of Reported Claims 490                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 39,720 35,525 30,911 [1] [1] [1] [1]
Total IBNR Plus Expected Development on Reported Claims 6,836                  
Cumulative Number of Reported Claims 626                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 58,372 45,647 [1] [1] [1] [1]
Total IBNR Plus Expected Development on Reported Claims 5,773                  
Cumulative Number of Reported Claims 586                  
Commercial (Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 39,751 [1] [1] [1] [1]
Total IBNR Plus Expected Development on Reported Claims 12,423                  
Cumulative Number of Reported Claims 309                  
Commercial (non-Westminster) [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 22,897                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2014 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,650 1,650 1,650 1,650 1,650 1,650 1,675 1,694 1,732 2,180
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 163                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2015 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,580 1,580 1,580 1,580 1,580 1,582 1,637 1,643 1,695
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 135                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2016 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,511 2,511 2,512 2,512 2,516 2,515 2,526 2,683
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 288                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2017 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,494 2,494 2,494 2,497 2,510 2,513 2,530
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 167                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contracts, Accident Year 2018 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,554 1,554 1,555 1,609 1,576 1,652
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 147                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2019 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,793 2,793 2,777 2,782 2,607
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 191                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2020 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,382 2,371 2,054 2,293
Total IBNR Plus Expected Development on Reported Claims                  
Cumulative Number of Reported Claims 132                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2021 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,611 2,507 2,726
Total IBNR Plus Expected Development on Reported Claims 13                  
Cumulative Number of Reported Claims 203                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2022 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 3,904 4,536
Total IBNR Plus Expected Development on Reported Claims 62                  
Cumulative Number of Reported Claims 225                  
Commercial (non-Westminster) [Member] | Short-Duration Insurance Contract, Accident Year 2023 [Member]                    
Claims Development [Line Items]                    
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,418
Total IBNR Plus Expected Development on Reported Claims 298                  
Cumulative Number of Reported Claims 148                  
[1] Prior years unaudited