v3.26.1
Financial Instruments (Estimated Fair Values Of Financial Instruments) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Assets    
Note receivable $ 9,926 $ 9,993
Investments    
Assets    
Assets 6,825,298 6,580,030
Fair Value, Measurements, Recurring    
Assets    
Note receivable 9,926 9,993
Liabilities    
Options sold 753 254
Notes payable 572,436 573,740
Fair Value, Measurements, Recurring | Options sold    
Liabilities    
Options sold $ 753 $ 254