Annual report pursuant to Section 13 and 15(d)

LEASES - Narrative (Details)

v3.20.4
LEASES - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jul. 27, 2020
leaseTerminationAgreement
Lessee, Lease, Description [Line Items]      
Right-of-use assets $ 3,057 $ 8,709  
Lease liabilities for operating leases 4,147    
Total lease cost 1,000 $ 1,500  
Operating lease payments 1,100    
Terminated San Diego Facility      
Lessee, Lease, Description [Line Items]      
Number of lease termination agreements | leaseTerminationAgreement     1
Right-of-use assets 4,700    
Lease liabilities for operating leases 5,100    
Gain termination of lease $ 400