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Risk and Capital Management - Summary of Liquidity Indicators (Detail) | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure of liquidity risk indicators [abstract] |  |
Net assets / funds within 30 days | 62.70% | 72.20%
Net assets / total funds | 24.60% | 26.40%
Net assets / total assets | 15.80% | 17.60%

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- Definition Percentage of net assets to funds within thirty days + References No definition available. + Details
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- Definition Percentage of net assets to total assets + References No definition available. + Details
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