Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - PPP Note (Details) - USD ($) $ in Thousands	9 Months Ended
Debt - PPP Note (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020	Apr. 30, 2020
Debt Instrument [Line Items]
Gain on extinguishment of debt	$ 426	$ 0
PPP Note
Debt Instrument [Line Items]
Aggregate amount			$ 400
Interest rate			1.00%
Gain on extinguishment of debt	$ 400