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Convertible Subordinated Notes (5 Year Maturity For Convertible Subordinated Notes) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
2020 $ 1,289  
2021 1,023  
2022 523  
2023 84,363  
2024 550  
Thereafter 3,016  
Total 90,764  
Discount Amortization, 2018 (270)  
Discount Amortization, 2019 (49)  
Discount Amortization, 2022 0  
Subordinated Notes, Discount Accretion, Year Four 0  
Subordinated Notes, Discount Accretion, Year Five 0  
Subordinated Notes, Discount Accretion, After Year Five 0  
Discount Amortization, Total (319)  
Convertible subordinated notes    
Debt Instrument [Line Items]    
2020 0  
2021 6,319  
2022 0  
2023 0  
2024 0  
Thereafter 0  
Total 6,319 $ 6,346
Convertible Subordinated Notes Aggregate Maturity, After Year Five 0  
Discount Amortization, Total (319) $ (560)
Present Value, 2018 (270)  
Present Value, 2019 6,270  
Present Value, 2022 0  
Convertible Subordinated Notes Aggregate Maturity, Year Four 0  
Convertible Subordinated Notes Aggregate Maturity, Year Five 0  
Carrying value of the liability component $ 6,000