| | For the years ended December 31, | | |||||||
| | 2017 | | 2016 | | 2015 | | |||
| | (in thousands) | | |||||||
Interest expense on bank borrowings | | $ | 2,519,839 | | | 2,072,458 | | | 2,398,159 | |
Interest expense on others | | | 348,022 | | | 635,429 | | | 192,864 | |
| | $ | 2,867,861 | | | 2,707,887 | | | 2,591,023 | |