Property and Equipment, Net (Detail Textuals) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Property Plant And Equipment [Abstract] | |||
| Depreciation and amortization expense | $ 509,957 | $ 432,495 | $ 432,114 |
| Repairs and maintenance expenses including Dry-docking expenses | 157,200 | 155,400 | 124,800 |
| Interest costs capitalized | $ 29,000 | $ 33,700 | $ 31,900 |
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- Definition The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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