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Rotable spare parts, furniture and equipment, net - Additional Information (Details)
$ in Thousands, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 28, 2017
aircraft
Aug. 16, 2013
engine
Aug. 27, 2012
USD ($)
Aug. 27, 2012
MXN ($)
Dec. 31, 2018
MXN ($)
aircraft
Nov. 30, 2018
aircraft
Dec. 31, 2017
USD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2016
MXN ($)
Nov. 30, 2015
engine
Dec. 31, 2016
MXN ($)
item
engine
Dec. 31, 2018
USD ($)
Dec. 31, 2018
MXN ($)
aircraft
Dec. 31, 2017
USD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
USD ($)
engine
Dec. 31, 2016
MXN ($)
engine
Dec. 31, 2011
MXN ($)
aircraft
Rotable spare parts, furniture and equipment, net                                      
Depreciation expense | $                           $ 427,756   $ 496,291   $ 496,253  
Number of aircraft purchased 80                                    
Number of spare engines purchased | engine                     3 2         2 2  
Number of aircraft engines to be provided maintenance services | engine                     16                
Credit notes received             $ 3,060 $ 58,530                      
Accumulated amortization of credit notes | $         $ 4,878     1,219           4,878   1,219      
Number of aircraft to be delivered           26                          
Amounts paid for aircraft and spare engines                         $ 139,368 $ 2,743,155   2,521,752   $ 2,198,697  
Total number of aircraft to be delivered         106                 106          
Gain (loss) on sale and leaseback | $                           $ 609,168   65,886   484,827 $ (30,706)
Current portion of loss on sale and leaseback transactions | $         $ 3,047     3,047   $ 3,047   $ 3,047   3,047   3,047   3,047  
Non-current portion of loss on sale and leaseback transactions | $         $ 8,366     11,413   14,460   14,460   $ 8,366   11,413   14,460  
Term of aircraft delivery agreement                         9 years 9 years          
Within one year                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         3                 3          
Between two and three years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         8                 8          
Between three and four years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         13                 13          
Between four and five years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         13                 13          
Between five and six years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         16                 16          
Between six and seven years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         13                 13          
Between seven and eight years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         15                 15          
Between eight and nine years                                      
Rotable spare parts, furniture and equipment, net                                      
Total number of aircraft to be delivered         25                 25          
Lufthansa Technik AG                                      
Rotable spare parts, furniture and equipment, net                                      
Credit notes received     $ 3,500 $ 46,461                              
Accumulated amortization of credit notes | $         $ 0     $ 6,580   9,292   9,292   $ 0   6,580   9,292  
Term of total support agreement     5 years 5 years                              
Lufthansa Technik AG - December 2016 Agreement                                      
Rotable spare parts, furniture and equipment, net                                      
Credit notes received                 $ 1,500 $ 28,110                  
Accumulated amortization of credit notes | $         $ 7,191                 7,191          
Term of total support agreement                 66 months 66 months                  
A320 model                                      
Rotable spare parts, furniture and equipment, net                                      
Number of aircraft purchased         80                           44
A320CEO model                                      
Rotable spare parts, furniture and equipment, net                                      
Number of aircraft purchased                                     14
Number of engines purchased | engine   14                                  
Number of spare engines purchased | engine   1                                  
A320NEO model                                      
Rotable spare parts, furniture and equipment, net                                      
Number of aircraft purchased         46                           30
Number of engines purchased | engine   30                                  
Number of spare engines purchased | engine   6                 2                
Number of aircraft engines to be provided maintenance services | engine                     10                
A321NEO model                                      
Rotable spare parts, furniture and equipment, net                                      
Number of aircraft purchased         34                            
Number of spare engines purchased | engine                     1                
Number of aircraft engines to be provided maintenance services | engine                     6                
Pre-delivery payments                                      
Rotable spare parts, furniture and equipment, net                                      
Amounts paid for aircraft and spare engines                         $ 77,100 1,485,643 $ 90,000 1,707,805 $ 82,700 1,345,081  
Aircraft spare engines                                      
Rotable spare parts, furniture and equipment, net                                      
Depreciation expense | $                           $ 16,785   $ 16,795   $ 1,337  
Amounts paid for aircraft and spare engines | $                       $ 323,025              
Number of major components | item                       2              
Estimated useful lives (in years)                       25 years              
Limited life parts                                      
Rotable spare parts, furniture and equipment, net                                      
Estimated useful lives (in years)                       12 years