Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 160,456	$ 176,765
Marketable securities	188,850	247,198
Restricted cash	6,100	6,100
Prepaid expenses and other current assets	14,502	14,374
Total current assets	369,908	444,437
Long-term marketable securities	5,825	10,051
Property and equipment, net	64,260	66,917
Operating lease right-of-use assets	98,116	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	4,589	4,599
TOTAL ASSETS	746,928	822,720
Current liabilities:
Accounts payable	2,334	2,857
Accrued compensation	17,029	26,362
Accrued expenses and other current liabilities	13,298	14,547
Operating lease liabilities	12,892	12,393
Contingent consideration	57,224	55,345
Total current liabilities	102,777	111,504
Operating lease liabilities, net of current portion	101,607	95,860
Contingent consideration, net of current portion	98,615	95,034
Success payment liabilities, net of current portion	15,667	21,007
Total liabilities	318,666	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 March 31, 2023 and December 31, 2022
Common stock, $0.0001 par value; 750,000 shares authorized; 191,409 and 191,022 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively	19	19
Additional paid-in capital	1,567,341	1,558,459
Accumulated other comprehensive loss	(2,139)	(4,327)
Accumulated deficit	(1,136,959)	(1,054,836)
Total stockholders' equity	428,262	499,315
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 746,928	$ 822,720