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Fair Value of Financial Instruments - Carrying Values and Estimated Fair Values of Financial Instruments (Parenthetical) (Details)
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Percentage of coinsurance costs 10.00%   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%