LEASES - Narrative (Details) $ in Thousands		9 Months Ended
	Jun. 15, 2021 USD ($)	Sep. 30, 2022 USD ($) contract	Sep. 30, 2021 USD ($)	Dec. 31, 2020 ft²	Jul. 31, 2020 USD ($) ft²	Feb. 28, 2019 ft²
Lessee, Lease, Description [Line Items]
Number of leases | contract		2
Gain on lease termination | $	$ 5	$ 0	$ 5
Principal office, lease two
Lessee, Lease, Description [Line Items]
Lease term (in years)					7 years
Lease term, optional extension (in years)					5 years
Area leased (square feet)					25,578
Letter of credit outstanding | $					$ 1,168
Principal office, lease one
Lessee, Lease, Description [Line Items]
Lease term, optional extension (in years)						3 years
Area leased (square feet)						2,357
Operating Lease, Office and Laboratory Space, NY
Lessee, Lease, Description [Line Items]
Lease term (in years)				11 years
Lease term, optional extension (in years)				5 years
Area leased (square feet)				18,120