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Preferred Stock (Tables) | 9 Months Ended
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Sep. 30, 2012
Preferred Stock [Abstract] |
Preferred dividend stock period annualized |
Dividend Period Annualized |  | Annualized
Beginning |  | Ending |  | Dividend Rate
August 11, 2011 |  | December 31, 2011 |  | 5.0%
January 1, 2012 |  | December 31, 2013 |  | 1.0% to 5.0%
January 1, 2014 |  | February 7, 2016 |  | 1.0% to 7.0%(1)
February 8, 2016 |  | Redemption |  | 9.0%(2)
(1) | Between January 1, 2014 and February 7, 2016, the dividend rate will be fixed at a rate in such range based upon the level of percentage change in QSBL between September 30, 2013 and the Baseline.
(2) | Beginning on February 8, 2016, the dividend rate will be fixed at nine percent (9%) per annum.

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- Definition Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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