Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 168,448	$ 176,765
Marketable securities	100,122	247,198
Restricted cash	3,832	6,100
Prepaid expenses and other current assets	7,120	14,374
Total current assets	279,522	444,437
Long-term marketable securities		10,051
Property and equipment, net	68,369	66,917
Operating lease right-of-use assets	77,235	92,486
Long-term restricted cash		4,408
Intangible asset	59,195	59,195
Goodwill	140,627	140,627
Other non-current assets	6,492	4,599
TOTAL ASSETS	631,440	822,720
Current liabilities:
Accounts payable	9,928	2,857
Accrued compensation	24,286	26,362
Accrued expenses and other current liabilities	18,940	14,547
Operating lease liabilities	13,490	12,393
Contingent consideration		55,345
Total current liabilities	66,644	111,504
Operating lease liabilities, net of current portion	83,374	95,860
Contingent consideration, net of current portion	103,156	95,034
Success payment liabilities	12,414	21,007
Total liabilities	265,588	323,405
Commitments and contingencies (Note 9)
Stockholders' equity:
Preferred stock, $0.0001 par value; 50,000 shares authorized; zero shares issued and outstanding as of September 30, 2023 and December 31, 2022
Common stock, $0.0001 par value; 750,000 shares authorized; 197,064 and 191,022 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	20	19
Additional paid-in capital	1,616,008	1,558,459
Accumulated other comprehensive loss	(202)	(4,327)
Accumulated deficit	(1,249,974)	(1,054,836)
Total stockholders' equity	365,852	499,315
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 631,440	$ 822,720