Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Components of Lease Costs Included in Operating Expenses

The components of lease costs, which were included in Operating expenses in our Condensed Consolidated Statements of Operations, were as follows (in thousands):

	Three months ended March 31,
	2019		2018
Operating lease cost	$	2,957	$	1,838
Variable lease cost		1,273		1,093
Total lease costs	$	4,230	$	2,931

Summary of Maturities of Operating Lease Liabilities

As of March 31, 2019, the maturities of our operating lease liabilities were as follows (in thousands):

Year ending December 31,
2019 (Nine months ended)	$	5,749
2020		9,690
2021		12,671
2022		13,087
2023		13,515
2024		13,956
2025 and thereafter		78,233
Total lease payments		146,901
Less: portion representing interest		(44,681	)
Less: lease incentives		(5,547	)
Operating lease liabilities		96,673
Less: current portion		(1,649	)
Operating lease liabilities, less current portion	$	95,024