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Reportable Segments (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 USD ($) segment | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($)
Reportable Segments |  |  |  |
Number of operating segments | segment |  | 2 |  |
Revenue: |  |  |  |
Lease rent revenue |  | $ 39,644 | $ 30,233 |
Maintenance reserve revenue |  | 15,440 | 31,961 |
Revenue From Sale Of Spare Parts |  | 6,286 | 12,596 |
Gain on sale of leased equipment |  | 640 | 983 |
Other Income |  | 1,882 | 2,173 |
Total revenue |  | 63,892 | 77,946 |
Expenses: |  |  |  |
Depreciation and amortization expense |  | 17,355 | 16,628 |
Cost of spare parts and equipment sales |  | 4,783 | 10,318 |
Write-down of equipment |  |  | 12,091 |
General and administrative |  | 15,611 | 13,201 |
Technical expense |  | 3,677 | 2,292 |
Interest Expense |  | 13,595 | 10,865 |
Total expenses |  | 55,021 | 65,395 |
Earnings from operations |  | 8,871 | 12,551 |
Total assets | [1] | 1,724,505 |  | $ 1,603,431
Reclassification |  |  |  |
Expenses: |  |  |  |
Increase to Cost of spare parts and equipment sales |  | 900 | 900 |
Decrease to Write-down of equipment |  | (900) |  |
Operating Segments | Leasing and Related Operations |  |  |  |
Revenue: |  |  |  |
Lease rent revenue |  | 39,644 | 30,233 |
Maintenance reserve revenue |  | 15,440 | 31,961 |
Revenue From Sale Of Spare Parts |  |  | 6,425 |
Gain on sale of leased equipment |  | 640 | 983 |
Other Income |  | 1,851 | 2,125 |
Total revenue |  | 57,575 | 71,727 |
Expenses: |  |  |  |
Depreciation and amortization expense |  | 17,269 | 16,540 |
Cost of spare parts and equipment sales |  |  | 4,705 |
Write-down of equipment |  |  | 12,091 |
General and administrative |  | 14,495 | 12,414 |
Technical expense |  | 3,677 | 2,292 |
Interest Expense |  | 13,595 | 10,865 |
Total expenses |  | 49,036 | 58,907 |
Earnings from operations |  | 8,539 | 12,820 |
Total assets |  | 1,693,802 |  | 1,580,094
Operating Segments | Spare Parts Sales |  |  |  |
Revenue: |  |  |  |
Revenue From Sale Of Spare Parts |  | 6,286 | 6,171 |
Other Income |  | 1,113 | 175 |
Total revenue |  | 7,399 | 6,346 |
Expenses: |  |  |  |
Depreciation and amortization expense |  | 86 | 88 |
Cost of spare parts and equipment sales |  | 4,783 | 5,613 |
General and administrative |  | 1,116 | 787 |
Total expenses |  | 5,985 | 6,488 |
Earnings from operations |  | 1,414 | (142) |
Total assets |  | 30,703 |  | $ 23,337
Eliminations |  |  |  |
Revenue: |  |  |  |
Other Income |  | (1,082) | (127) |
Total revenue |  | (1,082) | (127) |
Expenses: |  |  |  |
Earnings from operations |  | $ (1,082) | $ (127) |
[1] | Total assets at March 31, 2018 and December 31, 2017, respectively, include the following assets of variable interest entities (VIEs) that can only be used to settle the liabilities of the VIEs: Cash, $595 and $130; Restricted Cash $44,511 and $40,272; Equipment, $653,809 and $657,333; and Other, $1,230 and $20,090, respectively.

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