Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Schedule of Unvested Restricted Stock Units (Details)

v3.22.2.2
Equity-Based Compensation - Schedule of Unvested Restricted Stock Units (Details) - Restricted Stock - $ / shares
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Unvested, beginning balance (in shares) 595,561 292,534 292,534
Granted (in shares) 256,167 510,733 0
Vested (in shares) (134,481) (207,706) 0
Forfeited (in shares) (1,523) 0 0
Unvested, ending balance (in shares) 715,724 595,561 292,534
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Outstanding, beginning balance, weighted average grant date fair value (in dollars per share) $ 25.42 $ 12.88 $ 12.88
Grants, weighted average grant date fair value (in dollars per share) 32.62 26.52 0
Vested, weighted average grant date fair value (in dollars per share) 18.19 10.47 0
Forfeited, weighted average grant date fair value (in dollars per share) 33.77 0 0
Outstanding, ending balance, weighted average grant date fair value (in dollars per share) $ 29.34 $ 25.42 $ 12.88