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v3.8.0.1

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
REVENUE |  |  |  |
Lease rent revenue | $ 33,474 | $ 31,270 | $ 95,045 | $ 88,727
Maintenance reserve revenue | 20,370 | 14,229 | 64,212 | 45,562
Spare parts and equipment sales | 9,294 | 4,160 | 41,273 | 10,465
Gain on sale of leased equipment | 174 | 180 | 4,684 | 3,430
Other revenue | 2,549 | 1,622 | 6,439 | 3,614
Total revenue | 65,861 | 51,461 | 211,653 | 151,798
EXPENSES |  |  |  |
Depreciation and amortization expense | 16,142 | 16,628 | 48,786 | 49,235
Cost of spare parts and equipment sales | 6,416 | 3,066 | 29,546 | 7,785
Write-down of equipment | 6,958 | 1,995 | 22,243 | 5,924
General and administrative | 14,308 | 12,257 | 40,574 | 34,694
Technical expense | 2,605 | 1,414 | 7,345 | 4,913
Net finance costs: |  |  |  |
Interest expense | 14,220 | 10,230 | 36,398 | 30,635
Gain on debt extinguishment |  |  |  | (137)
Total net finance costs | 14,220 | 10,230 | 36,398 | 30,772
Total expenses | 60,649 | 45,590 | 184,892 | 133,323
Earnings from operations | 5,212 | 5,871 | 26,761 | 18,475
Earnings from joint ventures | 3,040 | 631 | 6,055 | 874
Income before income taxes | 8,252 | 6,502 | 32,816 | 19,349
Income tax expense | 2,960 | 2,517 | 13,367 | 7,987
Net income | 5,292 | 3,985 | 19,449 | 11,362
Preferred stock dividends | 344 |  | 988 |
Accretion of preferred stock issuance costs | 9 |  | 25 |
Net income attributable to common shareholders | $ 4,939 | $ 3,985 | $ 18,436 | $ 11,362
Basic earnings per common share: (in dollars per share) | $ 0.82 | $ 0.63 | $ 3.04 | $ 1.69
Diluted earnings per common share: (in dollars per share) | $ 0.80 | $ 0.62 | $ 2.97 | $ 1.66
Average common shares outstanding (in shares) | 6,055 | 6,307 | 6,068 | 6,711
Diluted average common shares outstanding (in shares) | 6,173 | 6,448 | 6,198 | 6,849

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- Definition Revenue during the period from the sale of spare parts in the normal course of business. + References No definition available. + Details
Name: | wlfc_RevenueFromSaleOfSpareParts
Namespace Prefix: | wlfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration