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Debt - Schedule of Debt Obligations (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Other $ 396 $ 687
Total 13,328 19,712
2015 Subordinated Notes [Member]    
Debt Instrument [Line Items]    
2015 Subordinated Notes 12,786 12,682
Other [Member]    
Debt Instrument [Line Items]    
Other   6,197
Debentures [Member]    
Debt Instrument [Line Items]    
Debentures $ 146 $ 146