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SUBSEQUENT EVENTS (Details) - Subsequent Event - USD ($) $ / shares in Units, $ in Millions			1 Months Ended
	Oct. 20, 2025	Oct. 15, 2025	Oct. 31, 2025
Takeda Pharmaceuticals U.S.A., Inc.
Subsequent Event [Line Items]
Licenses agreement, planned stockholder distribution from proceeds, percentage			25.00%
ADAR1 Repurchase Agreement
Subsequent Event [Line Items]
Shares acquired, average cost per share (in USD per share)		$ 17.75
Treasury stock, shares, acquired (in shares)		10,176,595
Aggregate purchase price		$ 180.6
Treasury stock, shares consideration received on commencement of tender offer (in shares)	$ 194.4
Shares acquired, price per share on commencement of tender offer (in USD per share)	$ 17.75