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Leases - Supplemental Cash Flow Information Related to Leases (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	$ 21,166
Operating cash flows from finance leases	2,022
Financing cash flows from finance leases	1,996
Right-of-use assets obtained in exchange for lease obligations
Operating leases, initial recognition	5,280
Operating leases, modifications and remeasurements	(10,673)
Finance leases, initial recognition	436
Finance leases, modifications and remeasurements	$ 8,257

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Cash Flow, Lessee [Abstract]

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Right-Of-Use Asset Obtained In Exchange For Lease Liabilities [Abstract]

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Right-of-Use Asset Obtained in Exchange for Finance Lease Liability, Modifications and Remeasurements

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Right-of-Use Asset Obtained in Exchange for Operating Lease Liability, Modifications and Remeasurements

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- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 4
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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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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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