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STOCK REPURCHASE PROGRAM (Details) (USD $)
3 Months Ended 9 Months Ended 1 Months Ended 1 Months Ended
Sep. 30, 2012
Sep. 30, 2012
Sep. 30, 2011
Jul. 31, 2012
Series I, Class B
Sep. 30, 2012
Series I, Class B
Jul. 31, 2012
Series II, Class B
Sep. 30, 2012
Series II, Class B
STOCK REPURCHASE PROGRAM              
Number of shares repurchased 38,315            
Stock repurchase program              
Preferred stock dividends paid   $ 172,838 $ 291,700 $ 38,813   $ 134,025  
Preferred stock dividends declared $ 57,613 $ 57,613     $ 12,938   $ 44,675