v3.26.1
Restricted Investments - Amortized Cost and Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Amortized Cost    
Due within one year $ 643  
Due after one year through three years 3,024  
Due after three years 7,240  
Amortized Cost 10,907 $ 23,030
Fair Value    
Due within one year 643  
Due after one year through three years 3,014  
Due after three years 7,213  
Fair Value $ 10,870 $ 23,176