Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	2 Months Ended	3 Months Ended
	Mar. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Feb. 14, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value liabilities	$ 839,497	$ 1,072,970	$ 939,850	$ 821,176
Additions	20,084	24,044	19,175
Transfer out of Level 3		0
Liabilities removed due to warrant exercises		(69,123)
Change in valuation inputs or other assumptions	(1,763)	178,199	81,178
Level 1 | Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value liabilities	37,087	115,873	61,381	39,962
Additions	0	0	0
Transfer out of Level 3		19,938
Liabilities removed due to warrant exercises		(69,123)
Change in valuation inputs or other assumptions	(2,875)	103,677	24,294
Level 2 | Senior Secured Term Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value liabilities	771,202	814,421	790,377	761,401
Additions	9,801	24,044	19,175
Transfer out of Level 3		0
Liabilities removed due to warrant exercises		0
Change in valuation inputs or other assumptions	0	0	0
Level 3 | Private Placement Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value liabilities	20,363	91,658	58,202	19,813
Additions	0	0	0
Transfer out of Level 3		(19,938)
Liabilities removed due to warrant exercises		0
Change in valuation inputs or other assumptions	550	53,394	37,839
Level 3 | Working Capital Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value liabilities	10,845	51,018	29,890	$ 0
Additions	10,283	0	0
Transfer out of Level 3		0
Liabilities removed due to warrant exercises		0
Change in valuation inputs or other assumptions	$ 562	$ 21,128	$ 19,045