v3.25.4
Liability for Losses and Loss Expenses - Summary of Insurance Subsidiaries' Liability for Losses and Loss Expenses (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Liability for Losses and Loss Expenses [Abstract]      
Balance at January 1 $ 1,120,985,050 $ 1,126,156,838 $ 1,121,045,758
Less reinsurance recoverable (416,621,377) (437,013,974) (451,184,222)
Cumulative effect of adoption of updated accounting guidance for credit losses at January 1 0 0 1,131,836
Net balance at January 1 704,363,673 689,142,864  
Net balance at January 1     670,993,372
Incurred related to:      
Current year 574,599,658 619,089,646 625,831,043
Prior years (10,267,402) (14,971,930) (16,653,344)
Total incurred 564,332,256 604,117,716 609,177,699
Paid related to:      
Current year 286,140,139 319,195,507 330,290,039
Prior years 277,359,789 269,701,400 260,738,168
Total paid 563,499,928 588,896,907 591,028,207
Net balance at December 31 705,196,001 704,363,673 689,142,864
Plus reinsurance recoverable 394,853,936 416,621,377 437,013,974
Balance at December 31 $ 1,100,049,937 $ 1,120,985,050 $ 1,126,156,838