Promissory Notes - Schedule of Promissory Notes (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Principal Amount	$ 81,224	$ 565
Carrying Amount	82,472	568
Long-term Note, less current portion	0	0
Vendor Note Payable
Short-term Debt [Line Items]
Principal Amount	105	105
Carrying Amount	$ 105	105
Vendor Note Payable | Minimum
Short-term Debt [Line Items]
Interest Rate	0.25%
Vendor Note Payable | Maximum
Short-term Debt [Line Items]
Interest Rate	4.00%
Small Business Association Paycheck Protection Program
Short-term Debt [Line Items]
Interest Rate	1.00%
Principal Amount	$ 1,119	460
Carrying Amount	$ 1,123	463
Promissory Note
Short-term Debt [Line Items]
Interest Rate	4.00%
Principal Amount	$ 80,000	0
Carrying Amount	81,244	0
Convertible Note
Short-term Debt [Line Items]
Less: Current portion	$ (82,472)	$ (568)