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Note 9 - Securities Sold Under Agreements to Repurchase (Tables) | 3 Months Ended
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Mar. 31, 2013
Schedule Of Long Term Securities Sold Under Agreements To Repurchase [Table Text Block] |
(Dollars in millions) |  | Fixed-to-floating |  |  | Floating-to-fixed |  |  | Total |
Rate type |  | Float Rate |  |  | Fixed Rate |  |  |  |
Rate index |  | 8% minus 3 month LIBOR |  |  |  |  |  |  |
Maximum rate |  |  | 3.79 | % |  |  | 3.53 | % |  |  | 3.50 | % |  |  | 3.50 | % |  |  | 3.53 | % |  |  | 3.25 | % |  |  |  |  |  |  |  |  |
Minimum rate |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | % |  |  |  |  |  |  |  |  |
No. of agreements |  |  | 3 |  |  |  | 1 |  |  |  | 4 |  |  |  | 3 |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | 4 |  |  |  | 18 |
Amount |  | $ | 150.0 |  |  | $ | 50.0 |  |  | $ | 200.0 |  |  | $ | 150.0 |  |  | $ | 50.0 |  |  | $ | 50.0 |  |  | $ | 100.0 |  |  | $ | 200.0 |  |  | $ | 950.0 |
Weighted average rate |  |  | 3.78 | % |  |  | 3.53 | % |  |  | 3.50 | % |  |  | 3.50 | % |  |  | 3.53 | % |  |  | 3.25 | % |  |  | 4.78 | % |  |  | 5.00 | % |  |  | 3.98 | %
Final maturity |  |  | 2014 |  |  |  | 2014 |  |  |  | 2014 |  |  |  | 2015 |  |  |  | 2015 |  |  |  | 2015 |  |  |  | 2014 |  |  |  | 2017 |  |  |  |  |
Schedule of Repurchase Agreements [Table Text Block] |
Maturity |  | No. of Agreements |  |  | Amount (In thousands) |  |  | Weighted Average Interest Rate |
3 years to 5 years |  |  | 2 |  |  | $ | 100,000 |  |  |  | 2.71 | %
Over 5 years |  |  | 2 |  |  |  | 100,000 |  |  |  | 2.86 | %
Total |  |  | 4 |  |  | $ | 200,000 |  |  |  | 2.78 | %

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- Definition Schedule Of Long Term Securities Sold Under Agreements To Repurchase + References No definition available. + Details
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- Definition The entire disclosure for repurchase agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph m -Subparagraph 1 -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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