Debt - Schedule of Future Minimum Lease Payments (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Operating leases
Operating leases, 2018	$ 5,220
Operating leases, 2019	5,154
Operating leases, 2020	4,669
Operating leases, 2021	3,798
Operating leases, 2022	2,646
Operating leases, thereafter	4,099
Operating leases, total	25,586
Operating leases, less: imputed interest	0
Capital leases, net lease obligation	25,586
Capital leases
Capital leases, 2018	18,758
Capital leases, 2019	13,938
Capital leases, 2020	11,018
Capital leases, 2021	9,646
Capital leases, 2022	3,510
Capital leases, thereafter	40
Capital leases, total	56,910
Capital leases, less: imputed interest	(4,696)
Capital leases, net lease obligation	$ 52,214

Operating Leases, Future Minimum Payments, Interest Included in Payments

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Operating Leases, Future Minimum Payments, Present Value of Net Minimum Payment

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Amount of minimum lease payments for capital leases.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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