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Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) | 6 Months Ended
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Jun. 30, 2013 | Jun. 30, 2014 Series F Noncumulative Perpetual Preferred Stock Redemption One [Member] | Jun. 30, 2014 Series F Noncumulative Perpetual Preferred Stock Redemption Two[Member]
Redemption of shares of Series F Noncumulative Perpetual Preferred Stock, net |  | 15,000 | 14,867
Redemption of shares of Series F Noncumulative Perpetual Preferred Stock, net |  | 15,000 | 14,867
Common stock | 834,715 |  |

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