Leases - Summary of Lease Cost (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Operating Leased Assets [Line Items]
Operating lease cost	$ 11,618
Finance lease, right-of-use asset, amortization	20
Finance lease cost	23
Short-term lease cost	2,180
Cost of revenue
Operating Leased Assets [Line Items]
Operating lease cost	7,970
Finance lease, interest expense	3
Operating expenses
Operating Leased Assets [Line Items]
Operating lease cost	$ 3,648