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Summary of Significant Accounting Policies - Summarizes Change in Capitalized Dry-Docking Activity (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
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Dec. 31, 2012
|
Dec. 31, 2011
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|
| Property, Plant and Equipment [Line Items] | |||
| Beginning Balance | $ 885,992 | ||
| Cost incurred for dry docking | 19,245 | 7,003 | 3,197 |
| Ending Balance | 859,308 | 885,992 | |
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Dry-Docking Activity [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Beginning Balance | 18,672 | 20,945 | 26,406 |
| Cost incurred for dry docking | 19,245 | 7,003 | 3,197 |
| Dry-dock amortization | (8,648) | (8,959) | (8,658) |
| Vessel sales/held for sale (note 17) | (317) | ||
| Ending Balance | $ 29,269 | $ 18,672 | $ 20,945 |