Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 812,355	$ 347,815
Short-term investments	399,829	217,182
Restricted cash and cash equivalents, current	14,402	8,594
Receivable from collaboration	1,223,161	773,079
Equity Investments	47,890	143,148
Prepaid expenses and other current assets	69,911	73,003
Total current assets	2,567,548	1,562,821
Intangible assets, net	33,154	33,287
Goodwill	16,937	16,937
Property and equipment, net	65,583	42,834
Operating right-of-use assets	88,331	87,220
Restricted cash and cash equivalents, noncurrent	9,040	7,006
Long-term investments	103,535	201,388
Other assets	3,001	2,775
TOTAL ASSETS	2,887,129	1,954,268
CURRENT LIABILITIES:
Accounts payable	10,955	6,521
Accrued and other liabilities	577,669	236,512
Deferred revenue, current portion	113,737	98,209
Contingent consideration, current portion	0	0
Total current liabilities	702,361	341,242
Deferred revenue, noncurrent	5,865	3,815
Operating lease liabilities, noncurrent	132,813	133,561
Contingent consideration, noncurrent	18,891	22,822
Deferred tax liability	18,439	18,439
Other long-term liabilities	7,746	2,540
TOTAL LIABILITIES	886,115	522,419
Commitments and contingencies (Note 8)
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of March 31, 2022 and December 31, 2021; no shares issued and outstanding as of March 31, 2022 and December 31, 2021	0	0
Common stock, $0.0001 par value; 300,000,000 shares authorized as of March 31, 2022 and December 31, 2021, respectively; 132,353,441 and 131,161,404 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	13	13
Additional paid-in capital	1,625,785	1,571,535
Accumulated other comprehensive loss	(4,805)	(1,099)
Retained earnings (accumulated deficit)	380,021	(138,600)
TOTAL STOCKHOLDERS’ EQUITY	2,001,014	1,431,849
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 2,887,129	$ 1,954,268