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Investment in finance and sales-type leases, net (Tables) | 12 Months Ended
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Dec. 31, 2020
Flight Equipment, Net [Abstract] |
Schedule of components of net investment in finance and sales-type leases | Components of investment in finance and sales-type leases, net as of December 31, 2020 and 2019 were as follows:
| As of December 31,
| 2020 |  | 2019
Future minimum lease payments to be received | $ | 608,950 |  |  | $ | 715,085 |
Estimated residual values of leased flight equipment | 589,872 |  |  | 577,353 |
Less: Unearned income | (260,708) |  |  | (280,889) |
Allowance for credit losses (Note 23) | (59,663) |  |  | — |
| $ | 878,451 |  |  | $ | 1,011,549 |
Schedule of future minimum lease payments to be received on finance and sales-type leases | As of December 31, 2020, the cash flows receivable, including the estimated residual value at lease termination, from finance and sales-type leases were as follows:
| Cash flows receivable
2021 | $ | 145,512 |
2022 | 207,102 |
2023 | 140,188 |
2024 | 113,698 |
2025 | 141,267 |
Thereafter | 451,055 |
Undiscounted cash flows receivable | $ | 1,198,822 |
Less: Unearned income | (260,708) |
Allowance for credit losses | (59,663) |
| $ | 878,451 |

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- Definition Tabular disclosure of maturity of undiscounted cash flows to be received on annual basis for sales-type and direct financing leases receivable. Includes, but is not limited to, reconciliation to lease receivable recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919391-209981 + Details
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