Leases - Schedule of Components of Lease Expense (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Lease Cost [Abstract]
Operating lease expense		$ 3,879
Short-term lease expense	[1]	958
Total		4,837	$ 3,800	$ 2,500
Less: Sublease income		(91)
Total lease expense		$ 4,746

[1] Short-term lease expense includes all leases with lease terms ranging from less than one month to one year.