Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Operating Leases (Details)

v3.21.2
Commitments and Contingencies - Operating Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Commitments And Contingencies Disclosure [Abstract]      
Total rent expense $ 304,000 $ 308,000 $ 450,000