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Debt - Share Lending Agreement (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Jul. 29, 2019
Debt Instrument [Line Items]      
Common stock, outstanding (in shares) 12,917,027 11,661,797  
Affiliated Entity | Jeffries Capital Services LLC      
Debt Instrument [Line Items]      
Commons stock available to affiliate (in shares)     511,840
Common stock, outstanding (in shares) 511,840    
Nominal fee per borrowed share $ 30    
Shares subject to become issued and outstanding in case of restructuring proceedings 511,840    
Outstanding loaned shares value $ 23,300