v3.26.1
Fair Value Measurements (Financial Instruments not Carried at Fair Value) (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Reported Value Measurement    
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]    
Policy loans $ 66,146 $ 67,455
Cash and cash equivalents (restricted portion: $1,554 in both 2026 and 2025) 16,960 22,976
Financial liabilities:    
Annuity - investment contracts 70,547 68,975
Reported Value Measurement | Single Family    
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]    
Mortgage loans 20 24
Estimate of Fair Value, Fair Value Disclosure    
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]    
Policy loans 66,146 67,455
Cash and cash equivalents 16,960 22,976
Financial liabilities:    
Annuity - investment contracts 64,415 64,066
Estimate of Fair Value, Fair Value Disclosure | Single Family    
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]    
Mortgage loans 19 24
Policy loans 66,146 67,455
Cash and cash equivalents (restricted portion: $1,554 in both 2026 and 2025) $ 16,960 $ 22,976
Financial liabilities:    
Insurance policy loans interest rate 7.70% 7.70%
Fair value minimum interest rate of investment contract 3.73% 3.31%
Fair value maximum rate of investment contract 5.01% 4.98%
Single Family    
Financial liabilities:    
Mortgage loans on real estate, interest rate 7.00% 7.00%
Mortgage loan maturity higher end range 2 years  
Mortgage loans interest rate used to estimate fair value 6.25% 6.25%