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Leases (Tables)

12 Months Ended

Dec. 31, 2019

The components of lease expense are set forth in the table below:

	Twelve Months Ended
	December 31, 2019
Operating lease expense	$	14,824
Finance lease expense:
Amortization of assets		978
Interest on lease liabilities		48
Short-term lease expense		336
Variable lease expense		2,663
Total lease expense	$	18,849

The table below sets forth supplemental balance sheet information related to leases:

	December 31, 2019
Operating leases:
Operating lease ROU assets	$	57,427

Current operating lease liabilities		12,554
Noncurrent operating lease liabilities		27,545
Total operating lease liabilities	$	40,099

Finance leases:
Finance lease ROU assets	$	3,396
Accumulated amortization		(1,924	)
Finance lease ROU assets, net	$	1,472

Current finance lease liabilities	$	903
Non-current finance lease liabilities		138
Total finance lease liabilities	$	1,041

Weighted average remaining lease term (in years):
Operating leases		4.4
Finance leases		1.3

Weighted average discount rate:
Operating leases		3.8	%
Finance leases		3.0	%

The table below sets forth supplemental cash flow and other information related to leases:

	Twelve Months Ended
	December 31, 2019
Cash paid for the amounts included in the measurements of lease liabilities:
Operating cash outflows from operating leases	$	18,325
Operating cash outflows from finance leases		48
Financing cash outflow from finance leases		1,082

ROU assets obtained in exchange for lease liabilities incurred:
Operating leases		3,956

The table below sets forth information about lease liability maturities: