v3.26.1
Fair Value of Financial Instruments - Carrying Values and Estimated Fair Values of Financial Instruments (Parenthetical) (Details) - USD ($)
$ in Millions
Jan. 01, 2026
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Percentage of coinsurance costs   10.00%   10.00%
Percentage of risks and rewards of term life insurance policies in force 10.00%      
Deposit asset underlying 10% coinsurance agreement     $ 131.4  
Initial Public Offering [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Percentage of coinsurance costs 10.00%      
Level 3 [Member]        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Percentage of coinsurance costs   10.00% 10.00%