DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 29, 2009	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Aug. 31, 2014
Derivative [Line Items]
Trust preferred subordinated debt		$ 10,000,000		$ 10,000,000		$ 10,000,000
Mortgage banking income		22,240,973	$ 17,369,228	43,304,652	$ 29,571,390
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	$ 10,000,000
Fixed interest rate	3.26%
Basis spread, Derivatives	1.60%
Subordinated Debt | Interest Rate Swap [Member]
Derivative [Line Items]
Trust preferred subordinated debt	$ 10,000,000
Floating interest rate period for LIBOR	90 days
Basis spread, Debt	1.60%
Effective interest rate, Debt	4.86%
Mandatory Delivery Program, Mortgage Loans [Member]
Derivative [Line Items]
Commitment amount							$ 50,000,000
Mortgage banking income		$ 585,000		$ 191,000