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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On May 2, 2013, the Company's Board of Directors approved a dividend for the first quarter of 2013 in the amount of $0.77 per share payable on June 17, 2013 to shareholders of record as of May 31, 2013.