Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Sep. 30, 2012
USD ($)
Feb. 28, 2011
LegalMatter
Dec. 31, 2013
USD ($)
Dec. 31, 2013
GBP (£)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
Effective on April 2, 2014
USD ($)
Dec. 31, 2013
Effective on April 2, 2015
USD ($)
Dec. 31, 2013
Contractual Agreement Two
USD ($)
Vessel
T
Seat
Dec. 31, 2013
Contractual Agreement Two
EUR (€)
Commitments and Contingencies Disclosure [Line Items]                    
Total expense related to operating lease     $ 9,400,000   $ 9,500,000 $ 9,100,000        
Scheduled delivery date of ships under construction                 Fourth quarter of 2015 and the first quarter of 2017 Fourth quarter of 2015 and the first quarter of 2017
Cruising ships to be built                 2 2
Capacity of ship, tons                 163,000 163,000
Capacity of ship, berths                 4,200 4,200
Aggregate contract price of new ships                 1,900,000,000 1,400,000,000
Export credit facility financing as percentage of contract price                 80.00% 80.00%
Performance guarantee required to be maintained     15,000,000       22,000,000 30,000,000    
Security guarantee, current value       5,700,000            
Performance guarantee, effective date             Apr. 02, 2014 Apr. 02, 2015    
Number of individual plaintiff's claims   6                
Awarded wages to plaintiffs $ 100,000