Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 204,589	$ 84,018
Investments	437,476	470,500
Prepaid expenses	11,835	17,787
Other current assets	4,562	5,974
Total current assets	658,462	578,279
Property and equipment, net	1,222	1,726
Operating lease assets	38,593	39,990
Restricted cash	1,336	1,336
Total assets	699,613	621,331
Current liabilities:
Accounts payable	4,104	7,705
Accrued expenses	20,912	13,645
Operating lease liabilities	3,888	3,765
Other current liabilities	847	463
Total current liabilities	29,751	25,578
Operating lease liabilities, net of current portion	27,679	28,693
Total liabilities	57,430	54,271
Commitments and contingencies (Note 9)
Stockholders' equity:
Common stock, $0.001 par value; 300,000,000 shares authorized as of March 31 2026, and December 31, 2025; 189,209,453 and 173,868,949 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively	182	168
Additional paid-in capital	2,730,233	2,580,928
Accumulated other comprehensive gain (loss)	(172)	733
Accumulated deficit	(2,088,060)	(2,014,769)
Total stockholders' equity	642,183	567,060
Total liabilities and stockholders' equity	$ 699,613	$ 621,331

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).