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Investments (Tables) | 6 Months Ended
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Jun. 30, 2021
Investments [Abstract] |
Schedule of investments |
As of June 30, 2021 |  | WMES |  | CASC Willis |  | Total
|  | (in thousands)
Investment in joint ventures as of December 31, 2020 |  | $ | 37,365 |  |  | $ | 15,910 |  |  | $ | 53,275 |
(Loss) earnings from joint ventures |  | (1,513) |  |  | 309 |  |  | (1,204) |
Foreign currency translation adjustment |  | — |  |  | 158 |  |  | 158 |
Other comprehensive gain from joint ventures |  | 711 |  |  | — |  |  | 711 |
Investment in joint ventures as of June 30, 2021 |  | $ | 36,563 |  |  | $ | 16,377 |  |  | $ | 52,940 |
Summarized financial information | Unaudited summarized financial information for 100% of WMES is presented in the following tables:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (in thousands) |  | (in thousands)
Revenue | $ | 4,885 |  |  | $ | 11,804 |  |  | $ | 9,646 |  |  | $ | 19,915 |
Expenses | 6,606 |  |  | 10,425 |  |  | 12,775 |  |  | 18,179 |
WMES net (loss) income | $ | (1,721) |  |  | $ | 1,379 |  |  | $ | (3,129) |  |  | $ | 1,736 |
| June 30, 2021 |  | December 31, 2020
| (in thousands)
Total assets | $ | 298,019 |  |  | $ | 303,886 |
Total liabilities | 217,097 |  |  | 219,836 |
Total WMES net equity | $ | 80,922 |  |  | $ | 84,050 |

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