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Investments in Unconsolidated Subsidiaries (Tables) | 3 Months Ended
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Mar. 31, 2018
Equity Method Investments And Joint Ventures [Abstract] |
Schedule of Condensed Financial Information of Equity Method Investments | Combined condensed financial information for the entities accounted for using the equity method is as follows (dollars in thousands):
|  | Three Months Ended |
|  | March 31, |
|  | 2018 |  |  | 2017 |
Global Investment Management |  |  |  |  |  |  |  |
Revenue |  | $ | 263,970 |  |  | $ | 267,151 |
Operating income |  | $ | 71,156 |  |  | $ | 15,478 |
Net income |  | $ | 34,337 |  |  | $ | 4,090 |
Development Services |  |  |  |  |  |  |  |
Revenue |  | $ | 22,676 |  |  | $ | 21,526 |
Operating income |  | $ | 58,577 |  |  | $ | 20,561 |
Net income |  | $ | 53,196 |  |  | $ | 16,097 |
Other |  |  |  |  |  |  |  |
Revenue |  | $ | 56,553 |  |  | $ | 25,858 |
Operating income |  | $ | 6,475 |  |  | $ | 2,179 |
Net income |  | $ | 6,463 |  |  | $ | 2,148 |
Total |  |  |  |  |  |  |  |
Revenue |  | $ | 343,199 |  |  | $ | 314,535 |
Operating income |  | $ | 136,208 |  |  | $ | 38,218 |
Net income |  | $ | 93,996 |  |  | $ | 22,335 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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