CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Assets, Current [Abstract]
Cash and cash equivalents	$ 161,846	$ 394,583
Marketable securities	412,408	307,434
Restricted cash, current	208	1,903
Prepaid expenses and other current assets	12,839	12,443
Total current assets	587,301	716,363
Restricted cash, non-current	2,418	2,418
Marketable securities non current	102,428	27,168
Property and equipment, net	47,497	42,728
Operating lease right-of-use assets	23,934	27,099
Prepaid research and development expenses and other long-term assets	1,331	9,356
Total assets	764,909	825,132
Current liabilities:
Accounts payable	5,989	2,619
Accrued liabilities	43,038	18,302
Operating lease liabilities, current portion	7,253	7,501
Finance lease liabilities, current portion	10,865	39,283
Contract liability to related party	69,872	50,533
Total current liabilities	137,017	118,238
Operating lease liabilities, net of current portion	47,214	50,841
Contract liability to related party, net of current portion	82,612	170,673
Other non-current liabilities	15,048
Total liabilities	281,891	339,752
Commitments and contingencies (Note 7)
Stockholders' equity
Common stock, par value of $0.001 per share; 1,000,000,000 shares authorized and 53,631,144 shares issued and outstanding as of September 30, 2024; 1,000,000,000 shares authorized and 52,280,077 shares issued and outstanding as of December 31, 2023	53	52
Additional paid-in capital	930,813	874,261
Accumulated other comprehensive income	1,899	547
Accumulated Deficit	(449,747)	(389,480)
Total stockholders' equity	483,018	485,380
Total liabilities and stockholders' equity	$ 764,909	$ 825,132

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).