DEBT - Narrative (Details) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended			9 Months Ended		28 Months Ended
	Jan. 13, 2025 USD ($) $ / shares shares	May 30, 2024 USD ($)	Jan. 31, 2025	Sep. 30, 2025 USD ($) shares	Mar. 31, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($)	Oct. 31, 2022 USD ($) tranche	Jan. 22, 2024 $ / shares shares
Debt Instrument [Line Items]
Final payment fee		$ 18,000
Shares of common stock issuable upon exercise of warrants, outstanding (in shares) | shares				2,000,000.0			2,000,000.0			0
Warrant price (in dollars per share) | $ / shares										$ 0.0001
Warrants exercise period			10 years
Issuance of warrants in connection with 2025 Loan Agreement					$ 1,720
Secured Debt
Debt Instrument [Line Items]
Percent of common stock outstanding			2.00%
Warrants to purchase of shares (in shares) | shares	140,741
Warrant price (in dollars per share) | $ / shares	$ 14.21
Issuance of warrants in connection with 2025 Loan Agreement							$ 1,700
Line of Credit
Debt Instrument [Line Items]
Periodic payment terms, final payment amount				$ 9,000			$ 9,000
Line of Credit | Minimum
Debt Instrument [Line Items]
Prepayment fee				2.00%			2.00%
Line of Credit | Maximum
Debt Instrument [Line Items]
Prepayment fee				5.00%			5.00%
Line of Credit | Secured Debt
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt	$ 100,000
Term loan				$ 109,000			$ 109,000
Debt interest expense				3,200			9,000
Amortization of debt discount				$ 600			$ 1,800
Line of credit facility maximum borrowing capacity accordion feature	$ 50,000
Debt instrument, basis spread on variable rate	5.61%
Annual interest rate	4.34%
Debt instrument, principal and interest term	23 months
Percentage of principal amount for final payment	9.00%
Interest rate, effective percentage				12.90%			12.90%
2020 Loan Agreement | Secured Debt
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt									$ 200,000
Number of tranches | tranche									7
Term loan									$ 200,000
Outstanding debt balance		$ 200,000
Accrued interest							$ 2,300
Debt discount							9,000
Gain on debt							$ 211,300
Debt interest expense						$ 0		$ 13,500
Amortization of debt discount								$ 2,100