XML 57 R51.htm IDEA: XBRL DOCUMENT v3.25.3
Restricted Available-for-Sale Investments - Summary of Amortized Cost And Estimated Fair Values of Restricted Available-For-Sale Investments by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Estimated Fair Value    
Total restricted available-for-sale investments $ 22,344 $ 21,712
Restricted Investments    
Amortized Cost    
Due in one year 20,117  
Due within one year to five years 2,238  
Due within five years to ten years 0  
Due after ten years 0  
Amortized Cost 22,355 21,633
Estimated Fair Value    
Due in one year 20,132  
Due within one year to five years 2,212  
Due within five years to ten years 0  
Due after ten years 0  
Total restricted available-for-sale investments $ 22,344 $ 21,712