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Summary of Other Assets (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] |  |
Margin receivable | $ 56,217 | $ 31,149
Investment receivable | 24,814 | 8,923
Restricted investments | 11,319 |
Other pledged collateral | 5,000 | 5,000
FHLBC stock | 4,846 |
REO | 3,349 | 3,661
Prepaid expenses | 2,350 | 1,850
Fixed assets and leasehold improvements | 2,273 | 1,232
Other | 2,600 | 1,825
Total Other Assets | $ 112,768 | $ 53,640

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- Definition Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 7 + Details
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