Fair Value Measurements - Reconciliation of Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value Measurements Using Significant Unobservable Inputs (Level 3) - Common Stock - Warrant Liability - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 15	$ 414
Gain included in other income (expense), net	(15)	(399)
Ending balance	$ 0	$ 15