Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 51,566	$ 66,385
Marketable securities	270,545	270,500
Restricted cash		856
Prepaid expenses and other current assets	6,299	8,797
Total current assets	328,410	346,538
Property and equipment, net	9,095	9,908
Operating lease right-of-use assets	41,371	43,508
Restricted cash, net of current portion	2,567	2,567
Other assets	10	46
Total assets	381,453	402,567
Current liabilities:
Accounts payable	1,062	2,785
Accrued expenses and other current liabilities	16,774	15,401
Operating lease liabilities	2,364	2,082
Deferred revenue	23,668	25,670
Total current liabilities	43,868	45,938
Operating lease liabilities, net of current portion	35,473	36,838
Deferred revenue, net of current portion	54,439	66,683
Total liabilities	133,780	149,459
Commitments and contingencies (Note 7)
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively
Stockholders' equity:
Common stock, $0.001 par value; 200,000,000 shares authorized at June 30, 2024 and December 31, 2023; 107,044,240 and 102,202,759 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively	107	102
Additional paid-in capital	682,621	624,076
Accumulated other comprehensive (loss) income	(334)	186
Accumulated deficit	(434,721)	(371,256)
Total stockholders' equity	247,673	253,108
Total liabilities and stockholders' equity	$ 381,453	$ 402,567