Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net loss before noncontrolling interest	$ (37,952)	$ (35,333)
Adjustments to reconcile net loss before noncontrolling interest to net cash flows used in operating activities:
Depreciation and amortization	1,600	1,102
Equity-based compensation	6,416	7,679
Gain on marketable securities, net	(1,069)	(2,313)
Loss on disposal of equipment	300	28
Changes in operating assets and liabilities
Interest receivable	695	(529)
Prepaid and other assets	5,729	564
Accounts payable and accrued expenses	(5,902)	(5,942)
Income taxes payable	591	98
Net cash flows used in operating activities	(29,592)	(34,646)
Cash flows from investing activities
Purchases of marketable securities	(55,449)	(55,415)
Sales and maturities of marketable securities	84,873	114,774
Purchase of equipment and facility expansion	(1,135)	(960)
Net cash flows provided by investing activities	28,289	58,399
Cash flows from financing activities
Payments on finance leases	(12)	(13)
Net cash flows used in financing activities	(12)	(13)
Net change in cash and cash equivalents	(1,315)	23,740
Cash, beginning of period	99,120	60,649
Cash, end of period	97,805	84,389
Supplemental disclosure of non-cash investing and financing activities:
Right of use assets obtained in exchange for lease obligations	322	1,674
Exchange of Class B ordinary shares	2,418	2,289
Impact of equity transactions and compensation on redeemable noncontrolling interest	4,426	7,507
Equipment and facility expansion included in accounts payable and accrued expenses	$ 1,653	$ 305