LEASES - Narrative (Details) ft² in Thousands	Dec. 31, 2020 ft²
New York City, NY
Lessee, Lease, Description [Line Items]
Area of property (in sq. ft.)	130
Area of property, option to decrease (in sq. ft.)	41
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	10 years