Annual report pursuant to Section 13 and 15(d)

Commitments - Narrative (Details)

v3.22.0.1
Commitments - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]      
Operating lease right-of-use assets $ 1,826 $ 2,473  
Total operating lease liabilities 2,119 2,800  
Operating lease cost $ 800 700  
Operating lease, weighted average remaining lease term 44 months    
Operating lease, weighted average discount rate 4.50%    
Rent expense $ 800 $ 800  
Rent expense     $ 700