CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income (loss)	$ (82,551)	$ 20,726
Reconciliation of net income (loss) to net cash used in operating activities:
Stock-based compensation	7,592	12,906
Depreciation expense	188	410
Net amortization of premiums and discounts on investments	(12,292)
Change in fair value of contingent earn-out liability	(1,929)	(101,774)
Change in fair value of warrant liabilities	(1,888)	(3,947)
Non-cash lease expense	(48)	(157)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(2,886)	(914)
Accounts payable	1,074	(162)
Accrued expenses	7,194	18,974
Net cash used in operating activities	(85,546)	(53,938)
Investing activities:
Purchases of property and equipment	(444)	(13)
Purchases of investments	(628,525)
Proceeds from maturities of investments	588,610
Net cash used in investing activities	(40,359)	(13)
Financing activities:
Transaction costs paid in connection with Business Combination and PIPE Financing		(1,363)
Proceeds from the exercise of stock options	127	40
Net cash provided by (used in) financing activities	127	(1,323)
Decrease in cash, cash equivalents and restricted cash	(125,778)	(55,274)
Cash, cash equivalents and restricted cash, beginning of period	494,769	1,679,175
Cash, cash equivalents and restricted cash, end of period	368,991	1,623,901
Supplemental disclosure of non-cash activities
Purchases of property and equipment in accounts payable	$ 151	$ 23