SUBSEQUENT EVENT (Additional Information) (Details) - Subsequent Event [Member] $ in Millions	Mar. 10, 2022 USD ($) shares
Homology Medicines, Inc.
Subsequent Event [Line Items]
Shares Owned	45,000
Roadrunner Solutions LLC Fully Diluted Equity Interests	20.00%
OXB
Subsequent Event [Line Items]
Shares Owned	180,000
Roadrunner Solutions LLC Fully Diluted Equity Interests	80.00%
Purchase Agreement \| OXB
Subsequent Event [Line Items]
Common Unit, Issued	175,000
Transferred Units	130,000
Transferred Units, Amount \| $	$ 130.0
Purchase Agreement \| OXB \| Cash
Subsequent Event [Line Items]
Transferred Units	50,000
Transferred Units, Amount \| $	$ 50.0

Roadrunner solutions LLC fully diluted equity interests.

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