Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 172,692	$ 731,510
Marketable securities	425,184
Prepaid expenses and other current assets	6,493	3,301
Total current assets	604,369	734,811
Restricted cash	6,324	6,324
Property and equipment, net	54,575	41,330
Operating lease right-of-use asset	63,076	66,744
Other assets	53,561	55,011
Total assets	781,905	904,220
Current liabilities:
Accounts payable	20,631	12,431
Accrued and other current liabilities	43,158	48,319
Operating lease liability	6,044	3,933
Total current liabilities	69,833	64,683
Operating lease liability, net of current portion	80,985	76,063
Liability related to sale of future royalties	99,969	99,943
Other liabilities	187	211
Total liabilities	250,974	240,900
Commitments and contingencies (Note 6)
Stockholders’ equity:
Preferred stock, $0.0001 par value
Common stock, $0.0001 par value	5	5
Additional paid-in capital	1,277,349	1,221,532
Accumulated other comprehensive income	(1,869)
Accumulated deficit	(744,554)	(558,217)
Total stockholders’ equity	530,931	663,320
Total liabilities and stockholders’ equity	$ 781,905	$ 904,220