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Net investment in finance and sales-type leases (Tables) | 12 Months Ended
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Dec. 31, 2017
Flight Equipment, Net [Abstract] |
Schedule of components of net investment in finance and sales-type leases | Components of net investment in finance and sales-type leases as of December 31, 2017 and 2016 were as follows:
| As of December 31, |
| 2017 |  | 2016 |
Future minimum lease payments to be received | $ | 865,456 |  |  | $ | 708,934 |  |
Estimated residual values of leased flight equipment (unguaranteed) | 498,894 |  |  | 321,739 |  |
Less: Unearned income | (368,661 | ) |  | (274,791 | ) |
| $ | 995,689 |  |  | $ | 755,882 |  |
Less: Allowance for credit losses | — |  |  | — |  | (a)
| $ | 995,689 |  |  | $ | 755,882 |  |
(a) | During the year ended December 31, 2016, we recognized a direct write-off for credit losses on four finance leases of $11.1 million, which was recorded in leasing expenses in our Consolidated Income Statement.
Schedule of future minimum lease payments to be received on finance and sales-type leases | Net investment in finance and sales-type leases Components of net investment in finance and sales-type leases as of December 31, 2017 and 2016 were as follows:
| As of December 31, |
| 2017 |  | 2016 |
Future minimum lease payments to be received | $ | 865,456 |  |  | $ | 708,934 |  |
Estimated residual values of leased flight equipment (unguaranteed) | 498,894 |  |  | 321,739 |  |
Less: Unearned income | (368,661 | ) |  | (274,791 | ) |
| $ | 995,689 |  |  | $ | 755,882 |  |
Less: Allowance for credit losses | — |  |  | — |  | (a)
| $ | 995,689 |  |  | $ | 755,882 |  |
(a) | During the year ended December 31, 2016, we recognized a direct write-off for credit losses on four finance leases of $11.1 million, which was recorded in leasing expenses in our Consolidated Income Statement.
As of December 31, 2017, future minimum lease payments to be received on finance and sales-type leases were as follows:
| Future minimum lease payments to be received
2018 | $ | 151,644 |
2019 | 137,789 |
2020 | 117,149 |
2021 | 103,243 |
2022 | 82,958 |
Thereafter | 272,673 |
| $ | 865,456 |

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- Definition Components Of The Net Investment In Finance And Sales-type Leases [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the annual minimum payments due from financing receivables, such as, but not limited to accounts, notes, loans, and other financing receivables. + References No definition available. + Details
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