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Offsetting Assets and Liabilities Offsetting Assets (Tables) | 3 Months Ended
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Mar. 31, 2014
Offsetting Assets [Line Items] |
Offsetting Assets [Table Text Block] |
| Offsetting of Assets
| Gross Amount of Recognized Assets |  | Gross Amount Offset in the Balance Sheet |  | Net Amount of Assets Presented in the Balance Sheet |  | Gross Amount Not Offset in the Balance Sheet |  | Net Amount
Financial Instruments Received as Collateral |  | Cash Received as Collateral
March 31, 2014 |  |  |  |  |  |  |  |  |  |  |
Derivative assets | $ | 12,064 |  |  | $ | — |  |  | $ | 12,064 |  |  | $ | (395 | ) |  | $ | (7,954 | ) |  | $ | 3,715 |
December 31, 2013: |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative assets | $ | 18,488 |  |  | $ | — |  |  | $ | 18,488 |  |  | $ | (193 | ) |  | $ | (12,141 | ) |  | $ | 6,154 |

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- Definition Tabular disclosure of derivative and other financial assets that are subject to offsetting, including master netting arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225877-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 + Details
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