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Reportable Segments (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) segment. | Dec. 31, 2019 USD ($)
Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Number of operating segments | segment. |  |  |  |  |  |  |  |  |  | 2 |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | $ 142,895 | $ 190,690
Gain on sale of leased equipment |  |  |  |  |  |  |  |  |  | 3,391 | 20,044
Total revenue |  | $ 61,487 | $ 70,613 | $ 74,983 | $ 81,609 | $ 89,228 | $ 120,366 | $ 95,797 | $ 103,769 | 288,692 | 409,160
Expenses: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  | 94,541 | 86,236
Cost of spare parts and equipment sales |  |  |  |  |  |  |  |  |  | 16,762 | 62,647
Write-down of equipment |  |  |  |  |  |  |  |  |  | 20,540 | 18,220
General and administrative |  |  |  |  |  |  |  |  |  | 67,910 | 86,523
Technical expense |  |  |  |  |  |  |  |  |  | 6,533 | 8,122
Interest expense |  |  |  |  |  |  |  |  |  | 63,024 | 66,889
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 4,688 | 220
Net finance costs |  |  |  |  |  |  |  |  |  | 67,712 | 67,109
Total expenses |  |  |  |  |  |  |  |  |  | 273,998 | 328,857
Earnings from operations |  |  |  |  |  |  |  |  |  | 14,694 | 80,303
Total assets | [1] | 2,364,948 |  |  |  | 1,940,608 |  |  |  | 2,364,948 | 1,940,608
Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Gain on sale of leased equipment |  |  |  |  |  |  |  |  |  | 0 | 0
Total revenue |  |  |  |  |  |  |  |  |  | (718) | (238)
Expenses: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  | 0 | 0
Cost of spare parts and equipment sales |  |  |  |  |  |  |  |  |  | 0 | 0
Write-down of equipment |  |  |  |  |  |  |  |  |  | 0 | 0
General and administrative |  |  |  |  |  |  |  |  |  | 403 | 0
Technical expense |  |  |  |  |  |  |  |  |  | 0 | 0
Interest expense |  |  |  |  |  |  |  |  |  | 0 | 0
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 0 |
Net finance costs |  |  |  |  |  |  |  |  |  | 0 | 0
Total expenses |  |  |  |  |  |  |  |  |  | 403 | 0
Earnings from operations |  |  |  |  |  |  |  |  |  | (1,121) | (238)
Total assets |  | 0 |  |  |  | 0 |  |  |  | 0 | 0
Leasing and Related Operations | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Gain on sale of leased equipment |  |  |  |  |  |  |  |  |  | 3,391 | 20,044
Total revenue |  |  |  |  |  |  |  |  |  | 271,569 | 353,154
Expenses: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  | 94,442 | 86,159
Cost of spare parts and equipment sales |  |  |  |  |  |  |  |  |  | 156 | 15,241
Write-down of equipment |  |  |  |  |  |  |  |  |  | 20,540 | 18,220
General and administrative |  |  |  |  |  |  |  |  |  | 63,993 | 81,302
Technical expense |  |  |  |  |  |  |  |  |  | 6,533 | 8,122
Interest expense |  |  |  |  |  |  |  |  |  | 63,024 | 66,889
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 4,688 | 220
Net finance costs |  |  |  |  |  |  |  |  |  | 67,712 | 67,109
Total expenses |  |  |  |  |  |  |  |  |  | 253,376 | 276,153
Earnings from operations |  |  |  |  |  |  |  |  |  | 18,193 | 77,001
Total assets |  | 2,312,172 |  |  |  | 1,898,313 |  |  |  | 2,312,172 | 1,898,313
Spare Parts Sales | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Gain on sale of leased equipment |  |  |  |  |  |  |  |  |  | 0 | 0
Total revenue |  |  |  |  |  |  |  |  |  | 17,841 | 56,244
Expenses: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  | 99 | 77
Cost of spare parts and equipment sales |  |  |  |  |  |  |  |  |  | 16,606 | 47,406
Write-down of equipment |  |  |  |  |  |  |  |  |  | 0 | 0
General and administrative |  |  |  |  |  |  |  |  |  | 3,514 | 5,221
Technical expense |  |  |  |  |  |  |  |  |  | 0 | 0
Interest expense |  |  |  |  |  |  |  |  |  | 0 | 0
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 0 |
Net finance costs |  |  |  |  |  |  |  |  |  | 0 | 0
Total expenses |  |  |  |  |  |  |  |  |  | 20,219 | 52,704
Earnings from operations |  |  |  |  |  |  |  |  |  | (2,378) | 3,540
Total assets |  | $ 52,776 |  |  |  | $ 42,295 |  |  |  | 52,776 | 42,295
Lease rent revenue |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 142,895 | 190,690
Lease rent revenue | Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 0 | 0
Lease rent revenue | Leasing and Related Operations | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 142,895 | 190,690
Lease rent revenue | Spare Parts Sales | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 0 | 0
Maintenance reserve revenue |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 105,365 | 108,998
Maintenance reserve revenue | Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 0 | 0
Maintenance reserve revenue | Leasing and Related Operations | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 105,365 | 108,998
Maintenance reserve revenue | Spare Parts Sales | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Lease rent revenue |  |  |  |  |  |  |  |  |  | 0 | 0
Spare parts and equipment sales |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | 18,625 | 74,651
Spare parts and equipment sales | Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | (403) | 0
Spare parts and equipment sales | Leasing and Related Operations | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | 1,514 | 18,684
Spare parts and equipment sales | Spare Parts Sales | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | 17,514 | 55,967
Other revenue |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | 18,416 | 14,777
Other revenue | Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | (315) | (238)
Other revenue | Leasing and Related Operations | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | 18,404 | 14,738
Other revenue | Spare Parts Sales | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Spare parts, managed services, and other revenues |  |  |  |  |  |  |  |  |  | $ 327 | $ 277
[1] | Total assets at December 31, 2020 and 2019 include the following assets of variable interest entity’s (“VIE’s”) that can only be used to settle the liabilities of the VIE’s: Cash, $0 and $134; Restricted Cash, $35,262 and $56,523, Equipment, $1,037,684 and $1,004,851; Maintenance Rights, $767 and $3,133; Inventory, $5,437 and $2,832; and Other, $558 and $668 respectively.

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