Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Property Plant And Equipment [Abstract] | ||
| Ships | $ 11,814,409 | $ 10,781,703 |
| Ships improvements | 1,060,049 | 807,233 |
| Ships under construction | 521,597 | 450,372 |
| Land and land improvements | 37,535 | 37,535 |
| Other | 487,921 | 483,744 |
| Property Plant And Equipment, Gross | 13,921,511 | 12,560,587 |
| Less: accumulated depreciation | (2,881,023) | (2,442,898) |
| Property and equipment, net | $ 11,040,488 | $ 10,117,689 |
| X | ||||||||||
- Definition Represents amount before accumulated depreciation of Ships. No definition available.
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- Definition Represents amount related to Ships improvements. No definition available.
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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