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Intangible Assets, Net | 9 Months Ended
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Sep. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets, Net | 3. Intangible Assets, Net Intangible assets, net are summarized as follows:
|  | September 30, 2013 |  |  | December 31, 2012 |
($ in thousands) |  |  |  |  |  |
Definite-lived intangible assets: |  |  |  |  |  |  |  |
Investment contracts |  | $ | 162,358 |  |  | $ | 197,704 |
Accumulated amortization |  |  | (148,867 | ) |  |  | (181,409 | )
Definite-lived intangible assets, net |  |  | 13,491 |  |  |  | 16,295 |
Indefinite-lived intangible assets |  |  | 32,416 |  |  |  | 32,416 |
Total intangible assets, net |  | $ | 45,907 |  |  | $ | 48,711 |
Activity in intangible assets, net is as follows:
|  | Nine Months Ended September 30, |
|  | 2013 |  |  | 2012 |
($ in thousands) |  |  |  |  |  |
Intangible assets, net |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 48,711 |  |  | $ | 52,096 |
Purchases |  |  | 356 |  |  |  | 350 |
Amortization |  |  | (3,160 | ) |  |  | (2,893 | )
Balance, end of period |  | $ | 45,907 |  |  | $ | 49,553 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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