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Declaration of Dividends
9 Months Ended
Sep. 30, 2011
Declaration of Dividends [Abstract] 
Declaration of Dividends
8.     Declaration of Dividends
 
A first quarter dividend of $0.07 per share for holders of common stock of record on March 17, 2011 was declared on January 25, 2011 and was paid on April 1, 2011.  On April 26, 2011, the Company declared a second quarter dividend of $0.07 per share for holders of common stock of record on June 16, 2011, and was paid on July 1, 2011.  A third quarter dividend was declared on July 27, 2011 in the amount of $0.07 per share for holders of common stock of record on September 16, 2011 and paid on October 1, 2011.  On October 25, 2011, the Company declared a fourth quarter dividend of $0.07 per share for holders of common stock of record December 15, 2011 to be paid on January 3, 2012.