Statutory reserve | Defined benefit plan | Premium on convertible obligations | Translation result | Revaluation surplus | Total | ||||||||||||||||||||
Balance at December 31, 2015 | $ | 216,948 | $ | (153,845 | ) | $ | 77,106 | $ | (247,668 | ) | $ | 2,206,975 | $ | 2,099,516 | |||||||||||
Revaluation of vessels | - | - | - | - | 424,634 | 424,634 | |||||||||||||||||||
Defined benefit plan | - | 24,863 | - | - | - | 24,863 | |||||||||||||||||||
Reclassification from disposal of properties and depreciation | - | - | - | - | (151,056 | ) | (a) | (151,056 | ) | ||||||||||||||||
Total before taxes | - | 24,863 | - | - | 273,578 | 298,441 | |||||||||||||||||||
Tax expense | - | (7,459 | ) | - | - | (127,390 | ) | (134,849 | ) | ||||||||||||||||
Total net of taxes | - | 17,404 | - | - | 146,188 | 163,592 | |||||||||||||||||||
Balance at December 31, 2016 | $ | 216,948 | $ | (136,441 | ) | $ | 77,106 | $ | (247,668 | ) | $ | 2,353,163 | $ | 2,263,108 | |||||||||||
Revaluation of vessels | - | - | - | - | 941,957 | 941,957 | |||||||||||||||||||
Defined benefit plan | - | 319 | - | - | - | 319 | |||||||||||||||||||
Reclassification from disposal of properties and depreciation | - | - | - | - | (2,073,235 | ) | (a) | (2,073,235 | ) | ||||||||||||||||
Total before taxes | - | 319 | - | - | (1,131,278 | ) | (1,130,959 | ) | |||||||||||||||||
Tax expense | - | (96 | ) | - | - | (282,587 | ) | (282,683 | ) | ||||||||||||||||
Total net of taxes | - | 223 | - | - | (1,413,865 | ) | (1,413,642 | ) | |||||||||||||||||
Balance at December 31, 2017 | $ | 216,948 | $ | (136,218 | ) | $ | 77,106 | $ | (247,668 | ) | $ | 939,298 | $ | 849,466 |
(a) | It corresponds to the reclassification of the revaluation surplus to accumulated losses from the sale of properties and to the depreciation of the period of revaluation of properties and vessels. |