Leases - Schedule of Rent Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease expense	$ 2,858	$ 3,095
Variable and short-term lease expense	203	270
Rent expense	$ 3,061	$ 3,365	$ 3,700