Quarterly report pursuant to Section 13 or 15(d)

Summary of Management Ncl Corporation Units Activity (Detail)

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Summary of Management Ncl Corporation Units Activity (Detail)
3 Months Ended
Mar. 31, 2013
Time Based Units
 
Number of Management NCL Corporation Units  
Outstanding as of December 31, 2012 2,265,554
Granted   
Forfeited   
Outstanding as of March 31, 2013 2,265,554
Vested as of March 31, 2013 1,641,326
Non-vested as of March 31, 2013 624,228
Performance-Based Units
 
Number of Management NCL Corporation Units  
Outstanding as of December 31, 2012 3,495,737
Granted   
Forfeited   
Outstanding as of March 31, 2013 3,495,737
Vested as of March 31, 2013 875,364
Non-vested as of March 31, 2013 2,620,373