Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations - Narrative (Details)

v3.21.2
Lease Obligations - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Feb. 28, 2021
USD ($)
Mar. 31, 2020
extension_option
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
ft²
Aug. 31, 2020
USD ($)
Mar. 12, 2020
Lessee, Lease, Description [Line Items]                  
Right-of-use assets     $ 5,532   $ 5,532   $ 5,489    
Total lease liabilities     $ 8,906   $ 8,906   $ 8,407    
Incremental borrowing rate     5.20%   5.20%        
Total lease costs     $ 312 $ 271 $ 928 $ 674      
Capital expenditure payments $ (11,800)                
Minimum finance lease liability payments due     84,000   84,000        
Minimum lease payments     11,452   11,452        
Victoria, British Columbia                  
Lessee, Lease, Description [Line Items]                  
Area of property (in sqft) | ft²             13,206    
Right-of-use assets     200   200        
Total lease liabilities     $ 200   $ 200        
Incremental borrowing rate     4.08%   4.08%        
Minimum lease payments               $ 2,700  
Rockville, Maryland                  
Lessee, Lease, Description [Line Items]                  
Right-of-use assets     $ 5,300   $ 5,300   $ 5,500    
Total lease liabilities     $ 8,700   $ 8,700   8,400    
Incremental borrowing rate                 5.20%
Remaining lease term   11 years              
Number of extension options | extension_option   2              
Lease extension term   5 years              
Lease termination option term   7 years              
Proceeds from tenant improvements             $ 2,300