ACQUISITION OF SANGAMO FRANCE - Summary of Non-controlling Interest (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity Attributable to Noncontrolling Interest
Stockholders' equity attributable to noncontrolling interest, beginning balance	$ (868)
Fair value of additional shares acquired	(64)
Net loss attributable to non-controlling interest	(11)	$ (126)	$ (233)
Buy-out of non-controlling interest	943	0	$ 0
Stockholders' equity attributable to noncontrolling interest, ending balance	0	(868)
Non- Controlling Interest
Stockholders' Equity Attributable to Noncontrolling Interest
Stockholders' equity attributable to noncontrolling interest, beginning balance	(868)
Buy-out of non-controlling interest	943
Stockholders' equity attributable to noncontrolling interest, ending balance	$ 0	$ (868)