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Leases and Other - Components of Least Expenses (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Finance lease cost:
Amortization of right-of-use assets	$ 589
Interest on lease liabilities	67
Operating lease cost	5,992
Short-term lease cost	215
Variable lease cost	1,815
Sublease income	(172)	[1]
Total lease cost, net	$ 8,506
[1] Sublease income excludes rental income from owned assets, which is recorded in revenue.

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Amount of interest expense on finance lease liability.

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