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Goodwill and Other Intangible Assets - Summary of Intangible Assets, Net (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | --- | ---
Definite-lived intangible assets, net: |  |  |  |
Investment contracts | $ 157,882 | $ 197,704 |  |
Accumulated amortization | (145,665) | (181,409) |  |
Definite-lived intangible assets, net | 12,217 | 16,295 |  |
Indefinite-lived intangible assets | 32,416 | 32,416 |  |
Total intangible assets, net | $ 44,633 | $ 48,711 | $ 52,096 | $ 52,977

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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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