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OTHER REAL ESTATE (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Other Real Estate [Line Items]        
Other Real Estate $ 501,558 $ 306,000 $ 820,000 $ 1,286,854
Commercial real estate        
Other Real Estate [Line Items]        
Other Real Estate   $ 306,000 $ 820,000  
Residential real estate        
Other Real Estate [Line Items]        
Other Real Estate