Quarterly report pursuant to Section 13 or 15(d)

Dividends (Details)

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Dividends (Details) (USD $)
0 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 24 Months Ended 49 Months Ended
Mar. 24, 2014
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Feb. 05, 2014
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Feb. 06, 2013
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Feb. 09, 2012
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Mar. 31, 2014
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Dividends [Abstract]                  
Number of dividends paid           4 4 9 17
Dividends payable, amount per share (in Dollars per share)           $ 0.07 $ 0.06 $ 0.05  
Dividends $ 2,000,000     $ 4,000,000 $ 3,500,000        
Cash dividends declared per common share (in Dollars per share) $ 0.07 $ 0.07 $ 0.07 $ 0.21 $ 0.19        
Payments of ordinary dividends, common stock       $ 4,052,634 $ 3,455,381