Debt (Details) $ / shares in Units, $ in Thousands					1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended	59 Months Ended
	Dec. 17, 2024 USD ($) tradingDay $ / shares	Dec. 13, 2024 USD ($)	Nov. 03, 2021 shares	Oct. 22, 2021 USD ($) $ / shares	Nov. 30, 2020 USD ($) tradingDay day $ / shares shares	Sep. 30, 2025 USD ($) $ / shares	Jun. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) $ / shares	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) $ / shares	Sep. 30, 2025 USD ($) $ / shares shares	Dec. 12, 2024
Debt Instrument [Line Items]
Paid-in-kind interest on long-term debt									$ 8,986	$ 0
Long-term debt						$ 151,653			151,653		$ 140,971	$ 151,653
Amortization of debt issuance costs and discounts									$ 2,366	1,326
Purchase of capped call options associated with convertible notes					$ 46,000
Prepayment of forward stock repurchase transaction					$ 55,000
Common stock, par value (in dollars per share) | $ / shares						$ 0.001			$ 0.001		$ 0.001	$ 0.001
Non-cash loss on extinguishment of debt						$ 0		$ 0	$ 0	53,235
Underlying common stock (in shares) | shares					1,994,198
Shares delivered to the company (in shares) | shares												576,107
Capped Call | Common stock
Debt Instrument [Line Items]
Exercise price (in dollars per share) | $ / shares					$ 55.16
Class of warrant or right, premium percentage					100.00%
Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt instrument, face amount		$ 150,000
Credit Agreement | Convertible Debt
Debt Instrument [Line Items]
Interest rate if paid in cash		9.75%
Interest rate if paid-in-kind		11.75%
Quarterly principal payment rate after four years		12.50%
Maturity		5 years
Basis spread on make-whole premium		3.00%
Prepayment premium during year three		3.00%
Prepayment premium during year four		1.00%
Minimum liquidity		$ 50,000
Original issue discount percentage		2.50%
Remaining unamortized discount		$ 3,800				3,000			3,000			$ 3,000
Debt issuance costs		5,400				4,300			4,300			4,300
Paid-in-kind interest on long-term debt						4,600	$ 4,400
Long-term debt						151,700			151,700			151,700
Debt interest expense						5,300			14,400
Amortization of debt issuance costs and discounts						600			1,700
Convertible Senior Notes Due 2025 | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount					$ 280,000
Aggregate principal amount		$ 265,000
Interest rate percentage		4.00%			4.00%								4.00%
Debt issuance costs						100			100		$ 300	100
Debt interest expense						600		3,000	1,900	9,200
Amortization of debt issuance costs and discounts						100		$ 400	300	$ 1,300
Proceeds from debt, net of issuance costs					$ 271,100
Debt instrument, convertible, conversion ratio					0.0302151
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares					$ 33.096
Debt instrument, redemption price, percentage					100.00%
Exchange Agreement, amount of principal amount converted into common stock				$ 15,000
Exchange Agreement, weighted average price per share floor (in dollars per share) | $ / shares				$ 5.62
Exchange Agreement, threshold trading days				5 days
Common stock exchanged (in shares) | shares			1,094,848
Aggregate principal amount	$ 210,100
Long-term debt, gross						54,900			54,900		54,900	54,900
Long-term debt						54,900			54,900		54,600	54,900
Debt instrument, fair value disclosure						54,600			54,600		53,200	54,600
Convertible Senior Notes Due 2025 | Convertible Debt | Period One
Debt Instrument [Line Items]
Common stock, par value (in dollars per share) | $ / shares					$ 0.001
Debt instrument, convertible, threshold percentage of stock price trigger					130.00%
Debt instrument, convertible, threshold trading days | day					20
Debt instrument, convertible, threshold consecutive trading days | day					30
Number of business days | day					5
Number of consecutive trading days | day					5
Debt instrument, convertible, threshold percentage of last reported sale price					98.00%
Convertible Senior Notes Due 2025 | Convertible Debt | Period Two
Debt Instrument [Line Items]
Debt instrument, convertible, threshold percentage of stock price trigger					130.00%
Debt instrument, convertible, threshold trading days | day					20
Debt instrument, convertible, threshold consecutive trading days | day					30
Scheduled trading days | tradingDay					41
Debt instrument, redemption price, percentage					100.00%
Debt instrument, required amount outstanding					$ 125,000
Convertible Senior Notes Due 2030
Debt Instrument [Line Items]
Debt issuance costs	3,300
Convertible Senior Notes Due 2030 | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 100,000
Interest rate percentage	5.75%
Debt issuance costs						2,900			2,900		3,300	2,900
Debt interest expense						1,600			4,700
Amortization of debt issuance costs and discounts						100			400
Debt instrument, convertible, conversion ratio	0.3267974
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares	$ 3.06
Debt instrument, convertible, threshold percentage of stock price trigger	130.00%
Scheduled trading days | tradingDay	41
Long-term debt, gross						100,000			100,000		100,000	100,000
Long-term debt						97,100			97,100		96,700	97,100
Debt instrument, fair value disclosure						$ 119,000			$ 119,000		105,400	$ 119,000
Convertible Senior Notes Due 2030, Exchange Transactions | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 57,500
Repayment of convertible notes	153,400
Non-cash loss on extinguishment of debt											$ 1,700
Convertible Senior Notes Due 2030, Subscription Transactions | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 42,500