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Investments | 6 Months Ended
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Jun. 30, 2018
Investments Schedule [Abstract] |
Investments | Investments At June 30, 2018 and December 31, 2017, the Company's investments were as follows:
| June 30, 2018 |  | December 31, 2017
($ in thousands) |  |  |
Marketable securities | $ | 61,401 |  |  | $ | 66,424 |
Equity method investments | 12,230 |  |  | 11,098 |
Nonqualified retirement plan assets | 6,909 |  |  | 6,706 |
Investments in collateralized loan obligations | 5,744 |  |  | 23,339 |
Other investments | 925 |  |  | 925 |
Total investments | $ | 87,209 |  |  | $ | 108,492 |
Marketable Securities Marketable securities consist primarily of investments in the Company's sponsored mutual funds, excluding the investments in consolidated investment products discussed in Note 15. The composition of the Company’s marketable securities is summarized as follows: June 30, 2018
| Cost |  | Unrealized Loss |  | Unrealized Gain |  | Fair Value
($ in thousands) |  |  |  |  |  |  |
Marketable securities: |  |  |  |  |  |  |
Sponsored funds | $ | 40,235 |  |  | $ | (895 | ) |  | $ | 1,333 |  |  | $ | 40,673 |
Equity securities | 14,018 |  |  | (10 | ) |  | 3,000 |  |  | 17,008 |
Sponsored closed-end funds | 3,778 |  |  | (360 | ) |  | 302 |  |  | 3,720 |
Total marketable securities | $ | 58,031 |  |  | $ | (1,265 | ) |  | $ | 4,635 |  |  | $ | 61,401 |
December 31, 2017
| Cost |  | Unrealized Loss |  | Unrealized Gain |  | Fair Value
($ in thousands) |  |  |  |  |  |  |
Marketable securities: |  |  |  |  |  |  |
Sponsored funds | $ | 47,084 |  |  | $ | (1,294 | ) |  | $ | 1,059 |  |  | $ | 46,849 |
Equity securities | 13,141 |  |  | (2 | ) |  | 2,671 |  |  | 15,810 |
Sponsored closed-end funds | 3,761 |  |  | (302 | ) |  | 306 |  |  | 3,765 |
Total marketable securities | $ | 63,986 |  |  | $ | (1,598 | ) |  | $ | 4,036 |  |  | $ | 66,424 |
For the three and six months ended June 30, 2018, the Company recognized net realized gains of $1.7 million and $1.3 million, respectively, on marketable securities. For the three and six months ended June 30, 2017, the Company recognized net realized losses of $1.8 million and $1.9 million, respectively, on marketable securities.

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- Definition The entire disclosure for investments, including all tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
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- References No definition available. + Details
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