Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.21.1
Related Party Transactions (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
item
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Related Party Transaction [Line Items]      
Percentage of escalation clause per annum 3.00%    
Operating lease right-of-use assets $ 14,669   $ 12,913
Operating lease liabilities 14,765    
Current portion of operating lease liabilities $ 645    
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accrued Liabilities, Current    
Weighted average remaining lease term 11 years 6 months   12 years 3 months 18 days
Maturities of operating lease liabilities      
April 1, 2021 to December 31, 2021 $ 1,335    
2022 1,823    
2023 1,878    
2024 1,934    
2025 1,992    
Thereafter 14,167    
Total lease payments 23,129    
Less: imputed interest 8,364    
Present value of operating lease liabilities 14,765    
Current portion of operating lease liabilities 645    
Operating lease liabilities, net of current portion 14,120   $ 13,262
Related Party Lease [Member]      
Related Party Transaction [Line Items]      
Related party transaction amount $ 500 $ 400  
Investor      
Related Party Transaction [Line Items]      
Term of lease 15 years    
Number of options to extend the lease term | item 2    
Lease extension period 60 months    
Board of Directors Chairman [Member]      
Related Party Transaction [Line Items]      
Term of lease 5 years 3 months    
Number of options to extend the lease term | item 1    
Lease extension period 60 months    
Board of Directors Chairman [Member] | Related Party Aircraft Expense Reimbursement [Member]      
Related Party Transaction [Line Items]      
Related party transaction amount $ 561