v3.26.1
Investments (Amortized Cost And Estimated Fair Value Of Debt Securities By Contractual Maturity) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Amortized Cost    
Due in one year or less $ 11,206  
Due after one year through five years 136,577  
Due after five years through ten years 274,754  
Due after ten years 1,160,774  
Total 1,583,311 $ 1,602,721
Estimated Fair Value    
Due in one year or less 11,152  
Due after one year through five years 131,964  
Due after five years through ten years 260,776  
Due after ten years 1,072,833  
Total $ 1,476,725 $ 1,503,358