Description of Organization and Summary of Significant Accounting Policies - Summary of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Preferred stock adjustments other income (expense)	$ 1	$ 9