Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 271,635	$ 490,252
Marketable securities	192,046	0
Interest Receivable	5,476	0
Prepaid assets	4,950	2,624
Prepaid clinical	5,828	10,459
Other current assets	208	1,384
Total Current Assets	480,143	504,719
Fixed assets, net	11,810	10,708
Right of use assets, net	3,039	2,356
Intangible assets, net	159	213
Total assets	495,151	517,996
Current liabilities
Accounts payable	3,801	3,044
Lease liabilities	624	493
Accrued expenses and other	6,854	7,336
Total current liabilities	11,279	10,873
Income tax payable, net of current portion	426	278
Lease liabilities, net of current portion	2,468	1,906
Total liabilities	14,173	13,057
Commitments And Contingencies
Redeemable noncontrolling interest	2,082,488	1,601,555
Shareholder's Equity
Additional paid-in capital	21,792	7,476
Accumulated other comprehensive income	(19)	0
Accumulated deficit	(1,623,307)	(1,104,116)
Total shareholders' deficit / members equity	(1,601,510)	(1,096,616)
Total liabilities and shareholders' deficit/members' equity	495,151	517,996
Common Class A [Member]
Shareholder's Equity
Common stock value	6	6
Common Class B [Member]
Shareholder's Equity
Common stock value	$ 18	$ 18