Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended
	Apr. 29, 2024 $ / shares	Jun. 30, 2024 USD ($) $ / shares	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 USD ($)	Sep. 30, 2025 USD ($)	Sep. 29, 2025 USD ($)	Jun. 29, 2025 USD ($)	Mar. 30, 2025 USD ($)	Aug. 12, 2024 USD ($)	May 03, 2024 USD ($)	Dec. 31, 2023 USD ($) $ / shares
Cash and Cash Equivalents [Line Items]
Reverse stock split ratio	0.04
Cash savings, excluding severance over the next 12 months													$ 13,000
Reduction of restricted cash required to be held for insurance collateral		$ 11,600				$ 11,600
Minimum Capital Requirements, Regulatory Capital And Insurance Collateral, Increase (Decrease)		(11,600)				(11,600)
Amount of duplicate regulatory capital requirements eliminated		7,000				7,000
Net loss		35,512	$ 21,275	$ 50,511	$ 44,859	56,787	$ 95,366
Cash consumed in operations						27,540	78,486
Cash and cash equivalents		47,499		$ 84,519		47,499	$ 84,519							$ 52,882
Available-for-sale securities		$ 13,170				$ 13,170								$ 17,398
Subsequent Event | Line of Credit | ICE Credit Facility
Cash and Cash Equivalents [Line Items]
Maximum borrowing capacity								$ 40,000	$ 30,000	$ 20,000	$ 10,000	$ 40,000
Class A Common Stock
Cash and Cash Equivalents [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001				$ 0.0001								$ 0.0001
Class V Common Stock
Cash and Cash Equivalents [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001				$ 0.0001								$ 0.0001