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Declaration of Dividends	3 Months Ended
Declaration of Dividends	Mar. 31, 2013
Declaration of Dividends [Abstract]
Declaration of Dividends	6. Declaration of Dividends A first quarter dividend of $0.07 per share for holders of common stock of record on March 15, 2013 was declared on January 31, 2013, and was paid on April 1, 2013. On January 31, 2013, the Company also declared a 1.00% dividend for holders of its Series C preferred stock of record on April 1, 2013, which was paid on April 15, 2013.