Quarterly report pursuant to Section 13 or 15(d)

Restricted Investments - Debt Securities (Details)

v3.25.0.1
Restricted Investments - Debt Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost $ 17,860 $ 17,986
Gross Unrealized Gains 36 256
Gross Unrealized Losses 423 222
Fair Value 17,473 18,020
U.S. government securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 8,608 8,332
Gross Unrealized Gains 5 76
Gross Unrealized Losses 207 70
Fair Value 8,406 8,338
Corporate debt securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 7,031 6,781
Gross Unrealized Gains 27 162
Gross Unrealized Losses 119 71
Fair Value 6,939 6,872
Municipal government securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 1,426 1,618
Gross Unrealized Gains 4 16
Gross Unrealized Losses 43 36
Fair Value 1,387 1,598
Other debt securities    
Debt Securities, Available-for-Sale [Line Items]    
Amortized Cost 795 1,255
Gross Unrealized Gains 0 2
Gross Unrealized Losses 54 45
Fair Value $ 741 $ 1,212