Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail)
 1 Months Ended 9 Months Ended
Sep. 30, 2012
USD ($)
Feb. 28, 2011
LegalMatter
Sep. 30, 2014
Contractual Agreement Two
USD ($)
Vessel
Berth
Gross_Ton
Sep. 30, 2014
Contractual Agreement Two
EUR (€)
Commitments and Contingencies Disclosure [Line Items]        
Scheduled delivery date of ships under construction     fall of 2015, spring of 2017, spring of 2018 and fall of 2019 fall of 2015, spring of 2017, spring of 2018 and fall of 2019
Cruise ships to be built     4 4
Capacity of ship, tons     164,600 164,600
Capacity of ship, berths     4,200 4,200
Aggregate contract price of new ships     $ 3,800,000,000 € 3,000,000,000
Export credit facility financing as percentage of contract prices     80.00% 80.00%
Number of individual plaintiff's claims   6    
Awarded wages to plaintiffs $ 100,000