Leases - Schedule of Minimum Lease Payments and Sublease Income (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Lease Payments
2018	$ 201,905
2019	185,498
2020	172,386
2021	158,789
2022	146,960
Thereafter	632,169
Total	1,497,707
Sublease Income
2018	121
2019	81
2020	0
2021	0
2022	0
Thereafter	0
Total	$ 202

Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals [Abstract]

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due In Five Years

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due In Four Years

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due In Three Years

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due In Two Years

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due Thereafter

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Next Twelve Months

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
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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 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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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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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 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
-Subparagraph (a)
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-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

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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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