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Preferred Stock (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Aug. 11, 2011 | Jun. 30, 2013 | Dec. 31, 2012
Temporary Equity [Line Items] |  |  |
Number of shares of fixed rate cumulative perpetual preferred stock series D |  | 21,000 | 21,000
Aggregate purchase price of fixed rate cumulative perpetual preferred stock | $ 21,000 | $ 21,000 |
Percentage of lending incentive fee payable |  | 0.50% |
Minimum percentage tier one capital to be maintain |  | 90.00% |
Increased percentage of lending incentive fee |  | 1.00% |
Noncumulative Series E Preferred Stock [Member] |  |  |
Temporary Equity [Line Items] |  |  |
Number of shares of fixed rate cumulative perpetual preferred stock series D | 21,000 |  |
Annualized Dividend Rate |  | 9.00% |
Noncumulative Series E Preferred Stock [Member] | Minimum [Member] |  |  |
Temporary Equity [Line Items] |  |  |
Annualized Dividend Rate |  | 1.00% |
Noncumulative Series E Preferred Stock [Member] | Maximum [Member] |  |  |
Temporary Equity [Line Items] |  |  |
Annualized Dividend Rate |  | 5.00% |
Series E Preferred Stock [Member] |  |  |
Temporary Equity [Line Items] |  |  |
Redemption price of series E preferred stock |  | 100.00% |

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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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- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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