Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 163,343	$ 253,029
Marketable securities	322,407	297,967
Restricted cash	6,100
Prepaid expenses and other current assets	8,400	7,105
Total current assets	500,250	558,101
Long-term marketable securities	25,823	195,881
Property and equipment, net	67,349	65,464
Operating lease right-of-use assets	95,733	96,320
Long-term restricted cash	4,408	8,819
Intangible asset	59,195	59,195
Goodwill	140,627	140,627
Other non-current assets	4,717	5,000
TOTAL ASSETS	898,102	1,129,407
Current liabilities:
Accounts payable	3,993	2,219
Accrued compensation	24,500	21,131
Accrued expenses and other current liabilities	14,970	10,344
Operating lease liabilities	11,921	9,159
Contingent consideration	59,429	51,382
Success payment liabilities		5,000
Total current liabilities	114,813	99,235
Operating lease liabilities, net of current portion	99,859	101,784
Contingent consideration, net of current portion	81,701	102,361
Success payment liabilities, net of current portion	35,710	97,525
Total liabilities	332,083	400,905
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, 2022 and December 31, 2021, respectively
Common stock, $0.0001 par value; 750,000 shares authorized; 189,885 and 184,929 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	19	18
Additional paid-in capital	1,546,807	1,515,210
Accumulated other comprehensive loss	(6,414)	(1,366)
Accumulated deficit	(974,393)	(785,360)
Total stockholders' equity	566,019	728,502
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 898,102	$ 1,129,407