SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Maximum Refinement Period Of Fair Value After Closing Date Of Acquisition	1 year
Total of the average daily required reserve	$ 27,800,000	$ 20,100,000
Servicing fees	1,268,000	1,011,000	$ 611,000
Company stock-based compensation cost	1,500,000	$ 2,100,000	$ 1,000,000
Anti-dilutive common shares excluded		6,000	324,000
Fair value of derivative instruments, asset	2,687,000	$ 1,757,000
Fair value of derivative instruments, liability	$ 137,000	249,000
Minimum [Member] | Core Deposits [Member]
Intangible assets amortized over an estimated useful life	5 years
Maximum [Member] | Core Deposits [Member]
Intangible assets amortized over an estimated useful life	7 years
Cash Flow Hedging [Member] | Junior Subordinated Debt [Member]
Cash flow for the purpose of converting floating rate loans to a fixed rate	$ 37,100,000	37,100,000	$ 37,100,000
Fair Value Hedging [Member]
Cash flow for the purpose of converting floating rate loans to a fixed rate	$ 1,439,000	$ 1,315,000
Building [Member] | Maximum [Member]
Estimated useful lives	40 years
Furniture and Fixtures [Member]
Estimated useful lives	20 years
Furniture and Fixtures [Member] | Minimum [Member]
Estimated useful lives	3 years
Software And Computer Equipment [Member] | Minimum [Member]
Estimated useful lives	3 years
Software And Computer Equipment [Member] | Maximum [Member]
Estimated useful lives	5 years