Quarterly report [Sections 13 or 15(d)]

Share-Based Compensation - Schedule of Restricted Stock Units (Details)

v3.25.1
Share-Based Compensation - Schedule of Restricted Stock Units (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Weighted Average Grant Date Fair Value Per RSU          
Compensation expense recorded upon vesting of awards $ 4,672 $ 3,553 $ 19,397 $ 6,599  
Restricted Stock          
RSUs          
Unvested, beginning balance (in shares)     509,171 824,280  
Awarded (in shares)     321,995 67,811  
Vested (in shares)     (59,295) (2,500)  
Forfeited (in shares)     (2,091) (524)  
Unvested, ending balance (in shares) 769,780 889,067 769,780 889,067  
Weighted Average Grant Date Fair Value Per RSU          
Outstanding, beginning balance, weighted average grant date fair value (in dollars per share)     $ 31.59 $ 28.08  
Awarded, weighted average grant date fair value (in dollars per share)     77.07 43.67  
Vested, weighted average grant date fair value (in dollars per share)     47.82 27.72  
Forfeited, weighted average grant date fair value (in dollars per share)     30.40 30.49  
Outstanding, ending balance, weighted average grant date fair value (in dollars per share) $ 48.59 $ 29.56 $ 48.59 $ 29.56  
Aggregate grant date fair value of shares awarded $ 24,816   $ 24,816   $ 2,961
Compensation expense recorded upon vesting of awards     5,495 $ 3,829  
Unrecognized compensation expense at fiscal year-end $ 25,707   $ 25,707   $ 8,899
Weighted average recognition period remaining, in years     4 years 1 month 17 days 2 years 9 months 10 days