Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - Fair Value, Recurring [Member] - Reported Value Measurement [Member] - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Redeemable Preferred Stock [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	$ 8,062	$ 5,247
3.25% Convertible Senior Notes Due 2023 [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	34,134	50,753
Fair Value, Inputs, Level 1 [Member] | Redeemable Preferred Stock [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	0	0
Fair Value, Inputs, Level 1 [Member] | 3.25% Convertible Senior Notes Due 2023 [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	0	0
Fair Value, Inputs, Level 2 [Member] | Redeemable Preferred Stock [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	0	0
Fair Value, Inputs, Level 2 [Member] | 3.25% Convertible Senior Notes Due 2023 [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	0	0
Fair Value, Inputs, Level 3 [Member] | Redeemable Preferred Stock [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	8,062	5,247
Fair Value, Inputs, Level 3 [Member] | 3.25% Convertible Senior Notes Due 2023 [Member]
Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liability	$ 34,134	$ 50,753