Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 173,787	$ 176,765
Marketable securities	152,128	247,198
Restricted cash	6,100	6,100
Prepaid expenses and other current assets	6,606	14,374
Total current assets	338,621	444,437
Long-term marketable securities		10,051
Property and equipment, net	62,654	66,917
Operating lease right-of-use assets	94,715	92,486
Long-term restricted cash	4,408	4,408
Intangible asset	59,195	59,195
Goodwill	140,627	140,627
Other non-current assets	6,927	4,599
TOTAL ASSETS	707,147	822,720
Current liabilities:
Accounts payable	3,089	2,857
Accrued compensation	19,669	26,362
Accrued expenses and other current liabilities	18,040	14,547
Operating lease liabilities	12,890	12,393
Contingent consideration	58,417	55,345
Total current liabilities	112,105	111,504
Operating lease liabilities, net of current portion	100,245	95,860
Contingent consideration, net of current portion	103,317	95,034
Success payment liabilities, net of current portion	36,451	21,007
Total liabilities	352,118	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 June 30, 2023 and December 31, 2022
Common stock, $0.0001 par value; 750,000 shares authorized; 196,880 and 191,022 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	20	19
Additional paid-in capital	1,606,832	1,558,459
Accumulated other comprehensive loss	(865)	(4,327)
Accumulated deficit	(1,250,958)	(1,054,836)
Total stockholders' equity	355,029	499,315
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 707,147	$ 822,720