LICENSES AND AGREEMENTS (Details) $ in Thousands				1 Months Ended			3 Months Ended		6 Months Ended		12 Months Ended		18 Months Ended
	May 07, 2018 USD ($)	Apr. 17, 2017 USD ($)	Jun. 28, 2014 USD ($)	Aug. 31, 2021 USD ($)	Nov. 30, 2016 item	Aug. 31, 2011	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2022 USD ($)
Research and development							$ 73,406	$ 62,119	$ 141,706	$ 118,068
Strategic Alliance Agreement
Research and development							0	100		100
Research Collaboration And Clinical Grant Agreements With Moffitt
Research and development									100	200
Maximum | Strategic Alliance Agreement
Research and development arrangement, contract to perform for others, costs incurred, gross		$ 14,200
Sponsored research agreement
Research and development							200	200	300	200
Second license agreement
Research and development							100	100	100	100
Research and development | Strategic Alliance Agreement
Research and development arrangement, contract to perform for others, costs incurred, gross									7,000
Cooperative Research and Development Agreement
Agreement term				3 years		5 years
Research and development				$ 500			500	500	1,000	1,000
Notification Period To Terminate Agreement				60 days
Research Collaboration And Clinical Grant Agreements With Moffitt
Research and development							100	100
Moffitt License Agreement One
Agreement term			20 years
Research and development							0	0	0	0
Moffitt License Agreement One | Research and development
Payments for upfront licensing fee			$ 100
Moffitt License Agreement Two
Payments for upfront licensing fee	$ 100
Additional milestone payable							400		400				$ 400
Moffitt License Agreement Two, Amended and Restated
Payments for upfront licensing fee											$ 200
WuXi Apptech, Inc - Manufacturing and Services Agreement
Agreement term					3 years
Research and development							3,200	4,800	7,100	8,200
Number Of Statements Of Work | item					1
Number Of Suites Under The Agreement | item					2
Cellectis S.A
Research and development							100	100					$ 200
Novartis Pharma AG - License Agreement
Research and development							$ 0	$ 0	$ 0	$ 0		$ 10,000