STOCK-BASED COMPENSATION - Narrative (Details) $ in Millions				1 Months Ended									3 Months Ended		6 Months Ended	9 Months Ended
	Apr. 30, 2021 tranche	Jan. 01, 2021 shares	Feb. 08, 2018	Nov. 06, 2024 USD ($) shares	Dec. 31, 2022	Aug. 31, 2022 tranche shares	Jul. 31, 2022 shares	Mar. 31, 2022 shares	Sep. 30, 2021 shares	Jul. 31, 2021 shares	Apr. 30, 2021 tranche shares	Apr. 30, 2020 shares	Sep. 30, 2024 USD ($) shares	Sep. 30, 2023 USD ($)	Jun. 30, 2024	Sep. 30, 2024 USD ($) shares	Sep. 30, 2023 USD ($)	Dec. 31, 2023 shares	Jul. 13, 2023 shares	Jul. 18, 2022 shares	Jan. 01, 2020 shares	Jan. 31, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)																		961,558
Number of shares authorized, annual increase													5.00%			5.00%
Number of additional shares authorized (in shares)		1,986,417
Lease obligation incurred | $													$ 1.2	$ 0.6		$ 3.7	$ 1.6
2022 Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)																				1,500,000
Share-based payment arrangement, additional shares allowable under the plan (in shares)																			800,000			350,000
Share-based payment arrangement, number of shares available (in shares)													709,849			709,849
Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, percentage of grants in period						25.00%
Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, percentage of grants in period						25.00%
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized															2 years 3 days	1 year 5 months 1 day
Granted (in shares)																4,262,000
Unvested PSU (in shares)													4,685,000			4,685,000		5,485,000
Restricted stock units | Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)																4,262,166
Restricted stock units | Share-based Compensation Award, Tranche One | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period																4 years
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized, annual increase					1.00%
ESPP, purchase price percentage			85.00%
ESPP, number of shares authorized, annual increase (in shares)													500,000			500,000		657,826,000			397,283
Shares issued (in shares)																242,255
Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches | tranche	2					3					2
Share-based payment arrangement, awards vested, percentage										50.00%
Share-based payment arrangement, vesting conditions achievement period	4 years
Granted (in shares)						25,248	100,990	269,202			110,236	476,608
Performance-based RSUs | Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches | tranche						2
Share-based payment arrangement, awards vested, percentage					25.00%					50.00%		50.00%
Share-based payment arrangement, vesting conditions achievement period												4 years
Award vesting period											12 months	12 months
Granted (in shares)									6,666	34,344	55,118	443,276
Performance-based RSUs | Share-based Compensation Award, Tranche One | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, achievement, percentage										80.00%
Performance-based RSUs | Share-based Compensation Award, Tranche One | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, achievement, percentage										99.999%
Performance-based RSUs | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches | tranche						2
Share-based payment arrangement, awards vested, percentage										100.00%		25.00%
Award vesting period											12 months	6 months
Granted (in shares)									6,667		55,118	33,332
Performance-based RSUs | Share-based Compensation Award, Tranche Two | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, achievement, percentage										100.00%
Performance-based RSUs | Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, awards vested, percentage												25.00%
Award vesting period											6 months	12 months
Performance-based RSUs | Share-Based Payment Arrangement, Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period											12 months
Granted (in shares)											10,000
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized (in shares)				2,500,000
Subsequent Event | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				680,600
Compensation not yet recognized, awards other than options | $				$ 2.9
Subsequent Event | Restricted stock units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				2 years