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Note 13 - Preferred Stock (Details) - Outstanding Preferred Stock (USD $) In Thousands, except Share data, unless otherwise specified |  |  |  | 6 Months Ended
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Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 2013 Series H, I, J & K Preferred Stock [Member] Series H Preferred Stock [Member] | Jun. 30, 2013 Series H, I, J & K Preferred Stock [Member] Series I Preferred Stock [Member] | Jun. 30, 2013 Series H, I, J & K Preferred Stock [Member] Series J Preferred Stock [Member] | Jun. 30, 2013 Series H, I, J & K Preferred Stock [Member] Series K Preferred Stock [Member] | Jun. 30, 2013 Series H, I, J & K Preferred Stock [Member] | Jun. 30, 2013 Series H Preferred Stock [Member] | Jun. 30, 2013 Series I Preferred Stock [Member] | Jun. 30, 2013 Series J Preferred Stock [Member] | Jun. 30, 2013 Series K Preferred Stock [Member]
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares Authorized | 5,961,200 | 5,961,200 | 70,000 | 18,400 | 9,000 | 8,050 | 105,450 |  |  |  |
Shares Issued and Outstanding | 102,000 | 102,000 |  |  |  |  |  | 70,000 | 16,000 | 9,000 | 7,000
Liquidation Preference (in Dollars) | $ 975,000 | $ 975,000 |  |  |  |  |  | $ 175,000 | $ 400,000 | $ 225,000 | $ 175,000
Dividend Rate |  |  |  |  |  |  |  | 6.90% | 6.00% | 5.50% | 5.625%
Annual Dividend per Depositary Share (in Dollars per share) |  |  |  |  |  |  |  | $ 1.72500 | $ 1.50000 | $ 1.37500 | $ 1.40625
Par Value (in Dollars per share) | $ 1.00 | $ 1.00 |  |  |  |  |  | $ 1.00 | $ 1.00 | $ 1.00 | $ 1.00

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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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