Stock-Based Compensation - Performance-Based Restricted Stock Unit Grants (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023	Oct. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 5,602	$ 3,990	$ 8,804	$ 6,096
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	27,200		27,200
Stock-based compensation expense	5,284	$ 3,634	$ 8,134	$ 5,393
Restricted Stock, Performance Based Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-based awards granted, percentage (as a percent)			200.00%		200.00%
Performance-based awards granted, percentage, maximum threshold met (as a percent)			100.00%		100.00%
Performance goal measurement period (in years)			3 years
Restricted Stock, Performance Based Shares, Modified Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost						$ 5,500
Stock-based compensation expense	$ 500		$ 700