Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating leases	$ 18,065	$ 11,685
Short-term leases	2,031	2,369
Total lease expense	$ 20,096	$ 14,054