General form of registration statement for all companies including face-amount certificate companies

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail)
 1 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 6 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended
Feb. 28, 2013
USD ($)
Jan. 31, 2013
USD ($)
Feb. 28, 2011
USD ($)
Jun. 30, 2013
USD ($)
Jun. 30, 2012
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2010
USD ($)
Jun. 30, 2013
Genting Hk
Dec. 31, 2012
Genting Hk
Jun. 30, 2013
Apollo Funds
Dec. 31, 2012
Apollo Funds
Jun. 30, 2013
TPG Viking Funds
Dec. 31, 2012
TPG Viking Funds
Jun. 30, 2013
Public Placement
Jan. 31, 2013
Norwegian Pearl and Norwegian Gem Revolving Credit Facility
USD ($)
Jun. 30, 2013
Norwegian Pearl and Norwegian Gem Revolving Credit Facility
EUR (€)
Dec. 31, 2012
Norwegian Pearl and Norwegian Gem Revolving Credit Facility
EUR (€)
Dec. 31, 2011
Norwegian Pearl and Norwegian Gem Revolving Credit Facility
EUR (€)
Jan. 31, 2013
Pride of Hawai'i Loan
USD ($)
Jun. 30, 2013
Pride of Hawai'i Loan
EUR (€)
Dec. 31, 2012
Pride of Hawai'i Loan
EUR (€)
Dec. 31, 2011
Pride of Hawai'i Loan
EUR (€)
Jan. 31, 2013
Norwegian Jewel Term Loan
USD ($)
Apr. 30, 2013
Norwegian Jewel Term Loan
EUR (€)
Dec. 31, 2012
Norwegian Jewel Term Loan
USD ($)
Dec. 31, 2011
Norwegian Jewel Term Loan
USD ($)
Jan. 31, 2013
Pride Of America Hermes Loan
USD ($)
Jun. 30, 2013
Pride Of America Hermes Loan
EUR (€)
Dec. 31, 2012
Pride Of America Hermes Loan
EUR (€)
Dec. 31, 2011
Pride Of America Hermes Loan
EUR (€)
Jan. 31, 2013
Pride of America Commercial Loan
USD ($)
Jun. 30, 2013
Pride of America Commercial Loan
EUR (€)
Dec. 31, 2012
Pride of America Commercial Loan
EUR (€)
Dec. 31, 2011
Pride of America Commercial Loan
EUR (€)
Jan. 31, 2013
Norwegian Sky
USD ($)
Jan. 31, 2013
11.75% Senior Secured Notes due 2016
USD ($)
Jan. 31, 2013
9.50% Senior Unsecured Notes
USD ($)
Dec. 31, 2012
9.50% Senior Unsecured Notes
USD ($)
Dec. 31, 2011
9.50% Senior Unsecured Notes
USD ($)
Feb. 28, 2013
First Semi-annual Period
Feb. 28, 2013
Second Semi-annual Period
Jul. 31, 2013
Subsequent Event
USD ($)
Jul. 31, 2013
Subsequent Event
EUR (€)
Feb. 28, 2013
Subsequent Event
USD ($)
Jan. 31, 2013
Subsequent Event
USD ($)
Jan. 24, 2013
Subsequent Event
Jan. 24, 2013
Subsequent Event
Genting Hk
Jan. 24, 2013
Subsequent Event
Apollo Funds
Jan. 24, 2013
Subsequent Event
TPG Viking Funds
Jan. 24, 2013
Subsequent Event
Public Placement
Jan. 31, 2013
Subsequent Event
Norwegian Pearl and Norwegian Gem Revolving Credit Facility
USD ($)
Jan. 31, 2013
Subsequent Event
Pride of Hawai'i Loan
USD ($)
Jan. 31, 2013
Subsequent Event
Norwegian Jewel Term Loan
USD ($)
Jan. 31, 2013
Subsequent Event
Pride Of America Hermes Loan
USD ($)
Jan. 31, 2013
Subsequent Event
Pride of America Commercial Loan
USD ($)
Jan. 31, 2013
Subsequent Event
Norwegian Sky
USD ($)
Jan. 31, 2013
Subsequent Event
11.75% Senior Secured Notes due 2016
USD ($)
Jan. 31, 2013
Subsequent Event
9.50% Senior Unsecured Notes
USD ($)
Feb. 28, 2013
Subsequent Event
First Semi-annual Period
Feb. 28, 2013
Subsequent Event
Second Semi-annual Period
Subsequent Event [Line Items]                                                                                                                          
Ordinary shares issuance     10,000                                                                                                                    
Ordinary shares issuance per share   $ 0.001 $ 0.001 $ 0.0010   $ 0.0012 $ 0.0012                                                                                                            
Percentage of ownership                 43.40% 50.00% [1] 32.50% 37.50% [2] 10.80% 12.50% [3] 13.30%                                                               100.00% 43.40% 32.50% 10.80% 13.30%                    
Economic interest, percentage           2.70%                                                                                 97.30%                            
Senior notes, principal amount $ 300,000,000                                                                                       $ 300,000,000                                
Debt instrument, interest rate 5.00%                                                                       11.75% 9.50% 9.50% 9.50%         5.00%                         11.75% 9.50%    
Senior notes, maturity date Feb. 15, 2018                                                                                       Feb. 15, 2018                                
Semi annual payments of interest on notes payable                                                                                 Payable semiannually on February 15 Payable semiannually on August 15                                   Payable semiannually on February 15 Payable semiannually on August 15
First interest payment debt on notes payable Aug. 15, 2013                                                                                       Aug. 15, 2013                                
Discount rate on notes payable 99.451%                                                                                       99.451%                                
Net proceeds from the IPO and Notes Offering   770,000,000                                                                                       770,000,000                              
Prepayments of long term debt   55,600,000   2,081,520,000 591,152,000 859,422,000 439,959,000 955,780,000               21,300,000 624,000,000     14,700,000       8,000,000       10,100,000       1,500,000                           55,600,000           21,300,000 14,700,000 8,000,000 10,100,000 1,500,000          
Long term debt, principal amount                                 624,000,000 624,000,000 624,000,000   308,100,000 308,100,000 308,100,000 334,100,000 126,100,000 334,100,000 334,100,000   258,000,000 258,000,000 258,000,000   40,000,000 40,000,000 40,000,000       350,000,000 350,000,000                           334,100,000         350,000,000    
Payments to Genting HK                                                                       79,700,000                                         79,700,000        
Redemption of senior secured notes                                                                         450,000,000 122,500,000                                       450,000,000 122,500,000    
Debt instrument, maturity year                                   2019 [4]       2018 [4]       2017       2017 [4]       2017 [4]     2016   2018 [5]                                     2016      
Expenses related to debt and IPO offering and debt redemptions                                                                                           104,000,000                              
Scheduled delivery date of ships under construction                                                                                     First quarter of 2017 First quarter of 2017                                  
Aggregate contract price of new ships                                                                                     $ 908,600,000 € 698,400,000                                  
Export credit facility financing as percentage of contract price                                                                                     80.00% 80.00%                                  
[1] Genting HK owns their ordinary shares indirectly through Star NCLC Holdings Ltd., a Bermuda wholly-owned subsidiary.
[2] The Apollo Funds own their ordinary shares indirectly through NCL Investment Ltd., a Bermuda company (2,795,968 ordinary shares) and NCL Investment II Ltd., a Cayman Islands company (5,079,032 ordinary shares).
[3] The TPG Viking Funds own their ordinary shares through TPG Viking I, L.P., a Cayman Islands exempted limited partnership (1,957,525 ordinary shares), TPG Viking II, L.P., a Cayman Islands exempted limited partnership (576,118 ordinary shares) and TPG Viking AIV-III, L.P., a Delaware limited partnership (91,357 ordinary shares).
[4] Currently U.S. dollar-denominated.
[5] Net of unamortized premium of $5.4 million as of December 31, 2012.