Quarterly report pursuant to Section 13 or 15(d)

Restricted Investments - Schedule of Amortized Cost and Fair Value (Details)

v3.23.2
Restricted Investments - Schedule of Amortized Cost and Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract]    
Amortized cost, due within one year $ 2,529  
Amortized cost, due after one year through three years 4,382  
Amortized cost, due after three years 7,023  
Amortized Cost 13,934 $ 7,432
Fair value, due within one year 2,512  
Fair value, due after one year through three years 4,226  
Fair value, due after three years 6,615  
Fair Value $ 13,353 $ 6,866