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Investments (Tables) | 9 Months Ended
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Sep. 30, 2019
Investments [Abstract] |
Schedule of investments |
Nine Months Ended September 30, 2019 |  | WMES |  | CASC Willis |  | Total
|  | (in thousands)
Investment in joint ventures as of December 31, 2018 |  | $ | 34,183 |  |  | $ | 13,758 |  |  | $ | 47,941 |
Earnings from joint ventures |  | 4,882 |  |  | (95 | ) |  | 4,787 |
Investment |  | 5,013 |  |  | — |  |  | 5,013 |
Distribution |  | (3,300 | ) |  | — |  |  | (3,300 | )
Foreign currency translation adjustment |  | — |  |  | (489 | ) |  | (489 | )
Investment in joint ventures as of September 30, 2019 |  | $ | 40,778 |  |  | $ | 13,174 |  |  | $ | 53,952 |
Summarized financial information | Summarized financial information for 100% of WMES is presented in the following tables:
| Three Months Ended September 30 |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in thousands) |  | (in thousands)
Revenue | $ | 13,007 |  |  | $ | 9,987 |  |  | $ | 36,144 |  |  | $ | 26,633 |
Expenses | 9,657 |  |  | 8,408 |  |  | 27,378 |  |  | 22,762 |
WMES income before income taxes | $ | 3,350 |  |  | $ | 1,579 |  |  | $ | 8,766 |  |  | $ | 3,871 |
| September 30, 2019 |  | December 31, 2018
| (in thousands)
Total assets | $ | 313,073 |  |  | $ | 274,744 |
Total liabilities | 225,727 |  |  | 198,534 |
Total WMES net equity | $ | 87,346 |  |  | $ | 76,210 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Equity Method Investment Summarized Financial Information [Table Text Block] + References No definition available. + Details
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