Leases - Summary of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating lease cost	$ 756	$ 748	$ 2,260	$ 1,033
Short-term lease cost		67	52	308
Variable lease cost	342	1	776	90
Total lease cost	$ 1,098	$ 816	$ 3,088	$ 1,431