Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail Textuals)

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Summary of Significant Accounting Policies - Additional Information (Detail Textuals) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended
Apr. 29, 2014
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Schedule Of Significant Accounting Policies [Line Items]          
Share exchange ratio       Each Unit holder has the right, subject to the same time-based and performance-based vesting requirements of the profits interests, to exchange Units for the Company's ordinary shares at a rate equal to one ordinary share for every Unit.  
Share repurchase program, authorized amount $ 500,000,000        
Share repurchase program period 3 years        
Number of ordinary shares repurchased   2,400,000      
Amount of ordinary shares repurchased   79,155,000   79,155,000  
Anti-dilutive securities excluded from earnings per share     6,728,789   6,325,138
Amounts of tax included on a gross basis   44,600,000 36,100,000 82,500,000 67,500,000
NCLC partnership tax distributions       (3,115,000)  
Estimated payment pursuant to partnership tax distribution   2,800,000      
Prior year immaterial change to statements of changes in shareholders' equity       1,200,000  
Non-controlling Interest
          
Schedule Of Significant Accounting Policies [Line Items]          
Increase in the non-controlling interest       7,834,000 3,767,000
Reorganization Items         (20,176,000)
NCLC partnership tax distributions       $ (3,115,000)