v2.4.0.8

Fair Value of Financial Instruments (Significant Observable Inputs used in the Valuation of Privately held Securities and Credit Default Assets) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Trading securities | $ 39,333 | $ 59,982
Derivative assets | 2 | 834
Significant unobservable inputs |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total | 298 | 2,322
Significant unobservable inputs | Privately held equity securities | Discounted cash flow |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Trading securities | 0 | 1,224
Significant unobservable inputs | Privately held equity securities | Discounted cash flow | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Swap rate |  | 0.239%
Expected term |  | 1 year
Expected qtrly cash flow streams |  | 52
Significant unobservable inputs | Privately held equity securities | Discounted cash flow | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Swap rate |  | 0.30%
Expected term |  | 4 years 9 months 15 days
Expected qtrly cash flow streams |  | 1,574
Significant unobservable inputs | Privately held equity securities | Discounted cash flow | Weighted average |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Swap rate |  | 0.27%
CMBS spread |  | 34.50%
Expected term |  | 2 years 10 months 24 days
Expected qtrly cash flow streams |  | 147
Significant unobservable inputs | Tax-exempt municipal | Discounted cash flow |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Trading securities | 298 | 264
Significant unobservable inputs | Tax-exempt municipal | Discounted cash flow | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Short and long term cash flows | 0.6294% | 0.8435%
Significant unobservable inputs | Tax-exempt municipal | Discounted cash flow | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Short and long term cash flows | 33.73% | 37.469%
Significant unobservable inputs | Total derivative assets | Market comparable approach |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Derivative assets | $ 0 | $ 834
Significant unobservable inputs | Total derivative assets | Market comparable approach | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Offered quote |  | 88.28%
Significant unobservable inputs | Total derivative assets | Market comparable approach | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Offered quote |  | 96.66%
Significant unobservable inputs | Total derivative assets | Market comparable approach | Weighted average |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Offered quote |  | 93.71%

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226008-175313 + Details
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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 + Details
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