Borrowing - Future Payment Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Total repayment obligations	$ 28,862
Less: Unamortized discount	(1,259)
Less: Unaccreted value of final fee	(1,230)
Long-term debt	26,373
Less: Current portion of long-term debt	(26,373)	$ (32,264)
Long-term debt, net of current portion	$ 0

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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