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Leases - Supplemental Cash Flow Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 15,295
Operating cash flows from finance leases	30
Financing cash flows from finance leases	2,377
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	9,419
Finance leases	$ 593

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Right-Of-Use Asset Obtained In Exchange For Lease Liability

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Amount of interest paid on finance lease liability.

+ References

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Amount of cash outflow for principal payment on finance lease.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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