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Preferred Stock (Tables) | 6 Months Ended
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Jun. 30, 2012
Preferred Stock [Abstract] |
Preferred dividend stock period annualized |
Dividend Period Annualized |  |  |
Beginning |  | Ending |  | Annualized 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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