Annual report pursuant to Section 13 and 15(d)

Leases - Narrative (Details)

v3.21.1
Leases - Narrative (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
facility
Dec. 31, 2019
USD ($)
Jan. 01, 2020
USD ($)
Lessee, Lease, Description [Line Items]      
Number of facilities under operating leases | facility 14    
Impairment of long-lived assets $ 1,700    
Operating lease, impairment loss 1,300    
Impairment of leasehold 100    
Loss on contract termination 300    
Operating lease liability, portion derecognized 1,400    
Operating lease right-of-use assets 3,104 $ 4,695 $ 2,400
Current portion of operating leases 966 1,084  
Operating lease, expense 1,600 1,300  
Finance lease, right-of-use asset, net 400 300  
Rental income $ 600 $ 700  
Minimum      
Lessee, Lease, Description [Line Items]      
Finance lease, term 3 years    
Maximum      
Lessee, Lease, Description [Line Items]      
Finance lease, term 5 years    
United States      
Lessee, Lease, Description [Line Items]      
Operating lease right-of-use assets $ 200    
Current portion of operating leases $ 200    
Building | Minimum      
Lessee, Lease, Description [Line Items]      
Operating lease, term 3 years    
Building | Maximum      
Lessee, Lease, Description [Line Items]      
Operating lease, term 5 years