Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 139,653	$ 97,249
Marketable securities	434,707	321,664
Receivable from collaboration partner		165,000
Contract asset	22,825
Prepaid expenses and other current assets	8,675	7,728
Total current assets	605,860	591,641
Marketable securities - noncurrent	123,517	140,252
Property and equipment, net	3,530	3,190
Restricted cash - noncurrent	225	225
Operating lease right-of-use asset	9,000	9,417
Total assets	742,132	744,725
Current liabilities:
Accounts payable	2,917	1,615
Accrued expenses and other payables	11,843	23,693
Deferred revenue	16,895	18,891
Income taxes payable	1,889	2,689
Operating lease liability	1,568	510
Total current liabilities	35,112	47,398
Deferred revenue - noncurrent	8,176	11,676
Operating lease liability - noncurrent	9,792	10,356
Total liabilities	53,080	69,430
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.00001 par value, 10,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.00001 par value, 180,000,000 shares authorized; 61,928,760 and 61,035,139 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	1	1
Additional paid-in capital	1,041,143	1,015,898
Accumulated other comprehensive income (loss)	85	(82)
Accumulated deficit	(352,177)	(340,522)
Total stockholders' equity	689,052	675,295
Total liabilities and stockholders' equity	$ 742,132	$ 744,725