Fair Value Measurements - Summary of Changes in Level 3 Liabilities Measures at Fair Value on a Recurring Basis (Details) - Fair Value, Inputs, Level 3 - Preferred Stock Tranche Rights Liability $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balances	$ 5,400
Change in estimated fair value	(1,265)
Settlement of tranche right	(4,135)
Balances	$ 0