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Debt (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Apr. 30, 2020
Debt Instrument [Line Items]
Unsecured loan				$ 900
Gain on extinguishment of debt		$ 0	$ 890
Cares Act PPP Loan
Debt Instrument [Line Items]
Gain on extinguishment of debt	$ 900		$ 900
Silicon Valley Bank \| Cares Act PPP Loan \| Commercial Paper
Debt Instrument [Line Items]
Unsecured loan term				24 months
Unsecured loan interest rate				1.00%