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Investments (Tables) | 12 Months Ended
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Dec. 31, 2017
Investments |
Schedule of investments |
Years Ending December 31, 2017, 2016 and 2015 (in thousands) |  | WMES |  | CASC Willis |  | Total |
Investment in joint ventures as of December 31, 2014 |  | $ | 26,672 |  | $ | 14,918 |  | $ | 41,590 |
Investment |  |  | 630 |  |  | — |  |  | 630 |
Earnings (losses) from joint ventures |  |  | 1,274 |  |  | (99) |  |  | 1,175 |
Distribution |  |  | (1,304) |  |  | — |  |  | (1,304) |
Foreign Currency Translation Adjustment |  |  | — |  |  | (796) |  |  | (796) |
Investment in joint ventures as of December 31, 2015 |  | $ | 27,272 |  | $ | 14,023 |  | $ | 41,295 |
Investment |  |  | 5,545 |  |  | — |  |  | 5,545 |
Earnings (losses) from joint ventures |  |  | 2,032 |  |  | (219) |  |  | 1,813 |
Deferred gain on engines sale |  |  | (1,212) |  |  | — |  |  | (1,212) |
Distribution |  |  | (1,167) |  |  | — |  |  | (1,167) |
Foreign Currency Translation Adjustment |  |  | — |  |  | (868) |  |  | (868) |
Investment in joint ventures as of December 31, 2016 |  | $ | 32,470 |  | $ | 12,936 |  | $ | 45,406 |
Investment |  |  | — |  |  | — |  |  | — |
Earnings from joint ventures |  |  | 5,867 |  |  | 1,291 |  |  | 7,158 |
Deferred gain on engine sale |  |  | (443) |  |  | (496) |  |  | (939) |
Distribution |  |  | (1,880) |  |  | — |  |  | (1,880) |
Foreign Currency Translation Adjustment |  |  | — |  |  | 896 |  |  | 896 |
Investment in joint ventures as of December 31, 2017 |  | $ | 36,014 |  | $ | 14,627 |  | $ | 50,641 |
Summarized financial information |
|  | Years Ended December 31,
|  | 2017 |  | 2016 |  | 2015
|  | (in thousands)
Revenue |  | $ | 40,211 |  | $ | 35,463 |  | $ | 26,909
Expenses |  |  | 28,754 |  |  | 31,669 |  |  | 24,574
WMES net income |  | $ | 11,457 |  | $ | 3,794 |  | $ | 2,335
|  |  |  |  | December 31,
|  |  |  |  | 2017 |  | 2016
|  |  |  |  | (in thousands)
Total assets |  |  |  |  | $ | 246,309 |  | $ | 293,299
Total liabilities |  |  |  |  |  | 165,228 |  |  | 219,881
Total WMES net equity |  |  |  |  | $ | 81,081 |  | $ | 73,418

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