Capital Leased Assets and Capital Lease Obligations - (Details 2) $ in Thousands	Dec. 31, 2016 USD ($)
Capital Lease Obligations [Abstract]
Capital lease obligations, current	$ 29,761
Less: current portion of financing costs	(702)
Capital lease obligations, noncurrent	334,074
Less: non-current portion of financing costs	(2,878)
Total	$ 360,255

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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