v3.26.1
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period $ 271,089 $ 252,524 $ 262,614 [1] $ 245,413
Balance at end of period 273,206 256,664 273,206 256,664
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period (350) (670) (298) 20
Balance at end of period (1,167) (775) (1,167) (775)
Accumulated Net Unrealized Investment Gain (Loss) | Available-for-sale Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period (350) (670) (298) 20
Other comprehensive (loss) (817) (105) (869) (795)
Balance at end of period $ (1,167) $ (775) $ (1,167) $ (775)
[1] Derived from audited consolidated financial statements.