AVAILABLE-FOR-SALE SECURITIES (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Mortgage-backed securities:	$ 590,302,740	$ 81,027,998
Agency [Member]
Mortgage-backed securities:	557,646,391	69,973,604
Agency [Member] | Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Mortgage-backed securities:	260,188,673	49,765,271
Agency [Member] | Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Mortgage-backed securities:	297,457,718	20,208,333
Non Agency [Member]
Mortgage-backed securities:	$ 32,656,349	$ 11,054,394