CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 159,733	$ 261,745
Marketable securities	1,127,743	1,110,207
Prepaid expenses and other current assets	20,461	20,474
Total current assets	1,307,937	1,392,426
Other assets	23,211	20,279
Total assets	1,331,148	1,412,705
Current liabilities:
Accounts payable	22,136	30,158
Accrued expenses and other current liabilities	58,915	61,013
Total current liabilities	81,051	91,171
Related party revenue share liability	75,730	73,160
Other liabilities	0	35
Total liabilities	156,781	164,366
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued or outstanding	0	0
Additional paid-in capital	2,257,422	2,218,407
Accumulated other comprehensive income (loss)	(1,355)	2,353
Accumulated deficit	(1,081,708)	(972,429)
Total stockholders' equity	1,174,367	1,248,339
Total liabilities and stockholders' equity	1,331,148	1,412,705
Common Class A [Member]
Stockholders' equity:
Common stock	7	7
Class B Convertible Common Stock [Member]
Stockholders' equity:
Common stock	$ 1	$ 1