Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 172,451	$ 140,866
Marketable securities	625,042	769,901
Prepaid expenses and other current assets	8,746	11,519
Total current assets	806,239	922,286
Property and equipment, net	266,391	299,992
Right-of-use assets - operating lease	48,795	51,472
Right-of-use assets - finance lease	20,830	22,267
Other assets	26,133	26,378
Total assets	1,168,388	1,322,395
Current liabilities
Accounts payable	6,479	6,466
Accrued liabilities	18,428	17,447
Accrued compensation and benefits	14,998	32,212
Operating lease liability, short-term	5,862	5,526
Finance lease liability, short-term	3,405	3,233
Total current liabilities	49,172	64,884
Operating lease liability, long-term	49,983	52,913
Finance lease liability, long-term	30,113	31,865
Other liabilities	14,324	14,886
Total liabilities	143,592	164,548
Commitment and contingencies (see Note 7)
Stockholders’ equity
Preferred stock- $0.0001 par value; 100,000 shares authorized, none issued and outstanding as of June 30, 2025 and December 31, 2024
Common stock - $0.0001 par value; 1,250,000 shares authorized (1,000,000 Class A and 250,000 Class B); 522,075 Class A and 43,241 Class B shares issued and outstanding as of June 30, 2025, 487,883 Class A and 54,666 Class B shares issued and outstanding as of December 31, 2024	56	54
Additional paid-in-capital	4,612,488	4,515,879
Accumulated other comprehensive income (loss)	(113)	428
Accumulated deficit	(3,587,635)	(3,358,514)
Total stockholders’ equity	1,024,796	1,157,847
Total liabilities and stockholders' equity	$ 1,168,388	$ 1,322,395

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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- 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).