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Investments | 6 Months Ended
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Jun. 30, 2017
Investments Schedule [Abstract] |
Investments | Investments Marketable securities consist primarily of investments in the Company's sponsored mutual funds, excluding the investments in consolidated investment products discussed in Note 15. Other investments consist primarily of an investment held in a collateralized loan obligation. At June 30, 2017 and December 31, 2016, the Company's investments were as follows:
| June 30, 2017 |  | December 31, 2016
($ in thousands) |  |  |
Marketable securities | $ | 72,162 |  |  | $ | 74,907 |
Equity method investments | 11,004 |  |  | 7,731 |
Nonqualified retirement plan assets | 6,396 |  |  | 5,808 |
Other investments | 3,834 |  |  | 925 |
Total investments | $ | 93,396 |  |  | $ | 89,371 |
Marketable Securities The Company’s marketable securities consist of both trading and available-for-sale securities. The composition of the Company’s marketable securities is summarized as follows: June 30, 2017
| Cost |  | Unrealized Loss |  | Unrealized Gain |  | Fair Value
($ in thousands) |  |  |  |  |  |  |
Trading: |  |  |  |  |  |  |
Sponsored funds | $ | 56,235 |  |  | $ | (1,115 | ) |  | $ | 540 |  |  | $ | 55,660 |
Equity securities | 10,969 |  |  | — |  |  | 1,771 |  |  | 12,740 |
Available-for-sale: |  |  |  |  |  |  |
Sponsored closed-end funds | 3,630 |  |  | (220 | ) |  | 352 |  |  | 3,762 |
Total marketable securities | $ | 70,834 |  |  | $ | (1,335 | ) |  | $ | 2,663 |  |  | $ | 72,162 |
December 31, 2016
| Cost |  | Unrealized Loss |  | Unrealized Gain |  | Fair Value
($ in thousands) |  |  |  |  |  |  |
Trading: |  |  |  |  |  |  |
Sponsored funds | $ | 61,784 |  |  | $ | (1,942 | ) |  | $ | 177 |  |  | $ | 60,019 |
Equity securities | 10,578 |  |  | — |  |  | 895 |  |  | 11,473 |
Available-for-sale: |  |  |  |  |  |  |
Sponsored closed-end funds | 3,500 |  |  | (265 | ) |  | 180 |  |  | 3,415 |
Total marketable securities | $ | 75,862 |  |  | $ | (2,207 | ) |  | $ | 1,252 |  |  | $ | 74,907 |
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 trading securities. For the three and six months ended June 30, 2016, the Company recognized a net realized gain of $0.2 million and a net realized loss of $(0.2) million, respectively, on trading 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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