Equity (Details)				2 Months Ended	7 Months Ended	9 Months Ended
	Mar. 13, 2025 USD ($) $ / shares shares	Mar. 12, 2025 USD ($) agreement $ / shares shares	Dec. 30, 2024 USD ($) $ / shares	Mar. 12, 2025 USD ($) agreement $ / shares shares	Sep. 30, 2025 USD ($) vote shares	Sep. 30, 2025 USD ($) vote shares	Sep. 30, 2024 USD ($)	Sep. 02, 2025 $ / shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001		$ 0.0001				$ 0.0001
Warrant outstanding (in shares)	24,255,256
Proceeds from issuance of common stock and warrants | $				$ 350,000,000	$ 0		$ 0
Number of warrant agreements | agreement		2		2
Number of warrant (in shares)		1		1
Strike price (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001
Number of warrants (in shares)					10,700,000	10,700,000
Issuance of warrants | $				$ 441,745,000
Common stock, shares authorized (in shares)					400,000,000	400,000,000
Number of votes for each share | vote					1	1
Additional Paid-In-Capital
Class of Stock [Line Items]
Issuance of warrants | $				$ 441,745,000		$ 441,700,000
Backstop Commitment Agreement, Specified Parties, November 18, 2024
Class of Stock [Line Items]
Common stock, issued (in shares)		678,587		678,587
Warrant outstanding (in shares)		5,670,853		5,670,853
Backstop Commitment Agreement, Specified Parties
Class of Stock [Line Items]
Common stock, issued (in shares)		3,849,442		3,849,442
Proceeds from issuance of common stock and warrants | $		$ 53,892,188
Senior Notes
Class of Stock [Line Items]
Debtor reorganization items, debt equitization | $		410,000,000
Convertible Notes
Class of Stock [Line Items]
Debtor reorganization items, debt equitization | $		$ 385,000,000
Debt Equitization
Class of Stock [Line Items]
Warrant outstanding (in shares)		5,203,899		5,203,899
Warrants, Tranche 1
Class of Stock [Line Items]
Warrant outstanding (in shares)	3,617,385
Warrants, Tranche 2
Class of Stock [Line Items]
Warrant outstanding (in shares)	20,637,871
Debt Equitization
Class of Stock [Line Items]
Common stock, issued (in shares)		7,618,664		7,618,664
Private Placement
Class of Stock [Line Items]
Common stock, issued (in shares)	7,770,054
Warrant outstanding (in shares)	13,380,504
Proceeds from issuance of common stock and warrants | $	$ 296,107,812
Sale of stock, backstopped equity commitment, amount to be received | $			$ 350,000,000
Sale of stock price per share (in dollars per share) | $ / shares			$ 14.00