Commitments and Contingencies - Future Minimum Lease Payments and Long-Term Debt Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Minimum Lease Payments
2022	$ 2,445
2023	2,092
2024	0
Total minimum payments	4,537
Less: amount representing interest/unamortized debt discount	(441)
Present value of future payments	4,096
Less: current portion	(2,105)	$ (1,708)
Non-current portion	1,991	4,096
Debt Repayments
2022	0
2023	12,500
2024	37,500
Total minimum payments	50,000
Less: amount representing interest/unamortized debt discount	4
Present value of future payments	50,004
Less: current portion	0	(4,551)
Note payable – non-current portion	50,004	$ 44,407
Total
2022	2,445
2023	14,592
2024	37,500
Total minimum payments	54,537
Less: amount representing interest/unamortized debt discount	(437)
Present value of future payments	54,100
Less: current portion	(2,105)
Non-current portion	$ 51,995

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