Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.21.1
Related Party Transactions (Details)
$ in Thousands
12 Months Ended
Feb. 28, 2018
USD ($)
item
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Lessee, Lease, Description [Line Items]      
Percentage of escalation clause per annum 3.00%    
Non-cash operating lease expense   $ 1,500 $ 1,400
Number of options to extend the lease term | item 2    
Commencing period 60 months    
Operating lease right-of-use asset $ 14,500 12,913 13,545
Incremental borrowing rate 7.90%    
Operating lease liabilities $ 14,500 $ 13,706 $ 14,100
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]   Accrued Liabilities, Current Accrued Liabilities, Current
Weighted average remaining lease term   12 years 3 months 18 days 13 years 3 months 18 days
Maturities of operating lease liabilities      
2021   $ 1,507  
2022   1,553  
2023   1,599  
2024   1,647  
2025   1,697  
Thereafter   14,092  
Total lease payments   22,095  
Less: imputed interest   8,389  
Present value of operating lease liabilities $ 14,500 13,706 $ 14,100
Current portion of operating lease liabilities   444 368
Operating lease liabilities, net of current portion   13,262 13,706
Investor      
Lessee, Lease, Description [Line Items]      
Term of lease 15 years    
Related party transaction amount   1,700 $ 1,700
Board of Directors Chairman [Member]      
Lessee, Lease, Description [Line Items]      
Related party transaction amount   $ 541