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Mortgage Loans Held for Investment, Net and Related Non-Recourse Collateralized Financing (Tables) | 12 Months Ended
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Dec. 31, 2015
Mortgage Loans Held for Investment, Net and Related Non-Recourse Collateralized Financing [Abstract] |
Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table Text Block] | The Company's mortgage loans held for investment, net consist of securitized and unsecuritized mortgage loans originated or purchased by the Company from 1992 through 1998 and are reported at amortized cost. The following table provides detail by type of collateral as of the periods indicated:
| December 31, 2015 |  | December 31, 2014
Single-family mortgage loans held for investment, amortized cost | $ | 24,189 |  |  | $ | 30,214 |
Commercial mortgage loans held for investment, amortized cost | 148 |  |  | 9,736 |
Allowance for loan losses | (192 | ) |  | (250 | )
Total mortgage loans held for investment, net | $ | 24,145 |  |  | $ | 39,700 |

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- Definition Mortgage Loans Held for Investment, Net and Related Non-Recourse Collateralized Financing [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of transferred financial assets that continue to be recognized and other financial assets that it manages together with them. Includes, but is not limited to, delinquencies and credit losses, after recoveries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=51814546&loc=d3e107314-111719 + Details
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