Annual report pursuant to Section 13 and 15(d)

Leases - Additional Information (Details)

v3.22.1
Leases - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating Leased Assets [Line Items]      
Operating lease cost for right - of - use assets $ 1,009 $ 991 $ 1,015
Office Space and Commercial Property      
Operating Leased Assets [Line Items]      
Lessee, operating lease, description These leases have remaining terms which range from six months to 16.5 years.    
Lessee, operating lease, option to terminate One lease contains a termination option which can reduce the lease term for a period of 10 years    
Lessee, operating lease, terminate term 10 years    
Lessee, operating lease, option to extend Another lease contains a renewal term which can extend the lease term for an additional period of three years.    
Lessee, operating lease, renewal term 3 years    
Commercial Unit      
Operating Leased Assets [Line Items]      
Lessee, operating sublease, option to extend . In September 2020, the Company entered into a sub-lease agreement for a commercial unit that extends through September 2023    
Sublease Income $ 335 $ 118  
Minimum | Office Space and Commercial Property      
Operating Leased Assets [Line Items]      
Lessee, operating lease, remaining lease term 6 months    
Maximum | Office Space and Commercial Property      
Operating Leased Assets [Line Items]      
Lessee, operating lease, remaining lease term 16 years 6 months