Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lease Costs

The components of lease expense was as follows (in thousands):

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Operating lease expense	$	2,837	$	5,472
Short-term lease expense	327		573
Variable lease expense	602		1,116
Total lease expense	$	3,766	$	7,161

Supplemental cash flow information related to operating leases (in thousands):

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	2,761	$	5,183
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	7,086	$	7,386

Supplemental balance sheet information related to operating leases (in thousands):

	June 30, 2019
Operating lease right-of-use assets	$	33,527
Operating lease liabilities	$	37,091

Maturity of Lease Liabilities

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

Six months ending December 31, 2019	$	4,964
2020	9,628
2021	8,693
2022	5,671
2023	3,409
2024	2,260
Thereafter	7,518
Total lease payments	42,143
Less: imputed interest	(5,052		)
Present value of lease liabilities	$	37,091

The Company's future minimum lease commitments, net of sub-lease rental income, as of December 31, 2018, under Accounting Standard Codification Topic 840, the predecessor to Topic 842, are as follows:

	Net Operating Leases
2019	$	10,561
2020	8,270
2021	7,283
2022	4,894
2023	2,934
Thereafter	5,911
Total minimum payments	$	39,853