Fair Value Measurements - Reconciliation of Preferred Stock Warrant Liability Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - Preferred stock warrants $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 2,993
Change in fair value included in other income	5,578
Ending Balance	$ 8,571