XML 34 R65.htm IDEA: XBRL DOCUMENT v3.20.1
Description of the business and summary of significant accounting policies - Aircraft, rotable spare parts, furniture and equipment, net (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
MXN ($)
agreement
engine
aircraft
Dec. 31, 2018
MXN ($)
agreement
engine
aircraft
Dec. 31, 2017
agreement
Dec. 31, 2017
engine
Dec. 31, 2017
aircraft
Dec. 31, 2017
Dec. 31, 2017
MXN ($)
Aircraft, rotable spare parts, furniture and equipment, net              
Maintenance deposits expensed as supplemental rent $ 295,720 $ 299,601         $ 265,756
Number of aircraft added to fleet | aircraft 7 10     5    
Number of aircraft with lease term extended 1 2 3   3    
Number of engine agreements for which lease term extended | engine 1 2   2      
Maintenance deposits expensed to contingent rent prior to lease extensions $ 0 $ 0         65,716
Length of time before routine aircraft and engine maintenance is required 22 months            
Depreciation $ 587,849 427,756         496,291
Capitalized borrowing costs $ 456,313 $ 357,920         193,389
Rate used to determine amount of borrowing cost 5.10% 4.41%       3.30%  
Flight equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 84,888 $ 71,105         61,204
Constructions and improvements              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation 14,721 10,689         20,216
Computer equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 7,074 7,215         3,809
Annual depreciation rate 25.00%            
Workshop tools              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 1,938 1,856         2,314
Annual depreciation rate 33.30%            
Electric power equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 1,084 1,132         1,294
Annual depreciation rate 10.00%            
Communications equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 933 892         796
Annual depreciation rate 10.00%            
Workshop machinery and equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 1,044 727         722
Annual depreciation rate 10.00%            
Motorized transport equipment platform              
Aircraft, rotable spare parts, furniture and equipment, net              
Annual depreciation rate 25.00%            
Service carts on board              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 278 256         376
Annual depreciation rate 20.00%            
Office furniture and equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation $ 5,854 6,209         3,801
Annual depreciation rate 10.00%            
Leasehold improvements to flight equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Additions $ 659,082 676,457         529,331
Amortization of major maintenance leasehold improvement 450,371 313,464         382,745
Depreciation 469,694 327,193         401,288
Aircraft spare engines              
Aircraft, rotable spare parts, furniture and equipment, net              
Depreciation 1,787            
Rotable spare parts, furniture and equipment assets              
Aircraft, rotable spare parts, furniture and equipment, net              
Impairment charges on rotable spare parts, furniture and equipment $ 0 $ 0         $ 0
Minimum              
Aircraft, rotable spare parts, furniture and equipment, net              
Duration of routine aircraft and engine maintenance 7 days            
Length of time before major aircraft and engine maintenance is required 5 years            
Minimum | Flight equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Annual depreciation rate 4.00%            
Maximum              
Aircraft, rotable spare parts, furniture and equipment, net              
Duration of routine aircraft and engine maintenance 14 days            
Duration of major aircraft and engine maintenance 42 days            
Length of time before major aircraft and engine maintenance is required 6 years            
Maximum | Flight equipment              
Aircraft, rotable spare parts, furniture and equipment, net              
Annual depreciation rate 16.70%