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Special Purpose Entities, Including Variable Interest Entities (Tables) | 9 Months Ended
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Sep. 30, 2014
Accounting Policies [Abstract] |
Summary of Fair Value of Fixed Income Securities, by Asset-Type, Held by Consolidated Variable Interest Entities | The table below provides the fair value of fixed income securities, by asset-type, held by consolidated VIEs as of September 30, 2014 and December 31, 2013:
| September 30, 2014 |  | December 31, 2013
Investments: |  |  |
Corporate obligations | $ | 2,651,683 |  |  | $ | 2,475,182 |
Total variable interest entity assets: fixed income securities | $ | 2,651,683 |  |  | $ | 2,475,182 |
Supplemental Information about Loans Held as Assets and Long-Term Debt Associated with Consolidated Variable Interest Entities | The following table provides supplemental information about the loans held as assets and long-term debt associated with the VIEs for which the fair value option has been elected as of September 30, 2014 and December 31, 2013:
| Estimated fair value |  | Unpaid principal balance
September 30, 2014 |  |  |
Loans | $ | 12,503,484 |  |  | $ | 10,653,928 |
Long-term debt | 13,159,174 |  |  | 12,661,349 |
December 31, 2013 |  |  |
Loans | 13,398,895 |  |  | 12,226,481 |
Long-term debt | $ | 14,091,753 |  |  | $ | 14,251,771 |

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- Definition Tabular presentation of fair value of fixed income securities by asset type held by consolidated variable interest entities. + References No definition available. + Details
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- Definition Supplemental information about the loans held as assets and long-term debt associated with consolidated variable interest entities, when reported under the fair value option. + References No definition available. + Details
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