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AVAILABLE-FOR-SALE SECURITIES (Details) - USD ($)
Dec. 31, 2014
Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]    
Mortgage-backed securities: $ 368,315,738 $ 444,984,955
Agency [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Mortgage-backed securities: 314,830,685 382,300,620
Agency [Member] | Federal National Mortgage Association [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Mortgage-backed securities: 152,486,058 145,156,756
Agency [Member] | Federal Home Loan Mortgage Corporation [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Mortgage-backed securities: 162,344,627 237,143,864
Non Agency [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Mortgage-backed securities: $ 53,485,053 $ 62,684,335