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Variable Interests (Details) | 12 Months Ended
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Apr. 30, 2013 trusts
Variable Interests [Abstract] |
Number of Real Estate Mortgage Investment Conduit (REMIC) Trusts in which the company holds an interest | 56
Number of Net Interest Margin (NIM) Trusts in which the company holds an interest | 14

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- Definition Number Of Net Interest Margin Trusts In Which The Company Holds An Interest + References No definition available. + Details
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- Definition Number Of Real Estate Mortgage Investment Conduit Trusts In Which The Company Holds An Interest + References No definition available. + Details
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- Details
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