Income Taxes - Summary of Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense [Abstract]
January 1	$ 1,355	$ 855
Additions based on tax positions related to current year	513	570
Additions (reductions) for tax positions of prior year	139	(70)
December 31	$ 2,007	$ 1,355