Leases (Tables)

6 Months Ended

Jun. 30, 2019

Supplemental cash flow information related to leases was as follows:



	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
	(in thousands)
Cash paid for amounts included in the measurement of lease liabilities	$	2,578	$	4,506
ROU assets obtained in exchange for new lease obligations	$	58,906	$	60,772

The components of lease expense were as follows:



	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
	(in thousands)
Operating lease cost	$	3,055	$	5,022
Short-term lease costs	137		286
Variable lease costs	592		1,009
Total lease costs	$	3,784	$	6,317

Assets and Liabilities, Lessee

Supplemental balance sheet information related to the operating leases was as follows:



	As of June 30, 2019
	(in thousands, except lease term and discount rate)
Operating ROU assets	$	59,417

Operating lease liabilities, current portion	$	6,057
Operating lease liabilities, non-current portion	71,722
Total operating lease liabilities	$	77,779

Weighted average remaining lease term (in years) - operating leases	9.2
Weighted average discount rate - operating leases	7.8		%

Lessee, Operating Lease, Liability, Maturity

Maturities of operating lease liabilities as of June 30, 2019 were as follows (in thousands):



2019 (for the remaining six months)	$	4,869
2020	11,959
2021	11,691
2022	11,391
2023	11,340
2024 and thereafter	53,561
Total lease payments	$	104,811
Less: imputed interest	(27,032		)
Total	$	77,779

Under the prior lease accounting standard, as of December 31, 2018, the future minimum payments under non-cancellable leases, which included our future headquarters, were as follows (in thousands):



2019	$	9,899
2020	11,616
2021	10,933
2022	11,054
2023	11,136
Thereafter	53,648
Total	$	108,286