FAIR VALUE (Schedule of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Financial Assets:
Securities available for sale	$ 245,897	$ 332,652
FHLB and FRB Stock	15,590	11,593
Loans held for sale, at fair value	745	839
Accrued interest receivable	6,451	5,371
Financial Liabilities:
Federal home loan bank advances	83,692	83,700
Carrying Value [Member]
Financial Assets:
Cash and cash equivalents	38,688	31,207
Securities available for sale	245,897	332,652
FHLB and FRB Stock	15,590	11,593
Loans held for sale, at fair value	745	839
Loans, net of allowance for loan losses	2,718,969	2,230,787
Accrued interest receivable	6,451	5,371
Financial Liabilities:
Deposits	2,663,746	2,298,693
Overnight borrowings	87,500	54,600
Federal home loan bank advances	83,692	83,692
Accrued interest payable	806	496
Derivatives		169
Carrying Value [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	144
Financial Liabilities:
Derivatives	674
Carrying Value [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	480
Financial Liabilities:
Derivatives	480
Quoted Prices in Active Market For Identical Assets (Level 1) [Member]
Financial Assets:
Cash and cash equivalents	38,188	30,707
Securities available for sale	$ 2,944	$ 2,955
FHLB and FRB Stock
Loans held for sale, at fair value
Loans, net of allowance for loan losses
Accrued interest receivable
Financial Liabilities:
Deposits	$ 2,185,287	$ 1,968,207
Overnight borrowings
Federal home loan bank advances
Accrued interest payable	$ 99	$ 103
Derivatives
Quoted Prices in Active Market For Identical Assets (Level 1) [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives
Financial Liabilities:
Derivatives
Quoted Prices in Active Market For Identical Assets (Level 1) [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives
Financial Liabilities:
Derivatives
Significant Other Observable Inputs (Level 2) [Member]
Financial Assets:
Cash and cash equivalents	$ 500	$ 500
Securities available for sale	$ 242,953	329,697
FHLB and FRB Stock
Loans held for sale, at fair value	$ 745	839
Loans, net of allowance for loan losses
Accrued interest receivable	$ 686	924
Financial Liabilities:
Deposits	477,504	329,579
Overnight borrowings	87,500	54,600
Federal home loan bank advances	84,908	84,677
Accrued interest payable	707	393
Derivatives		$ 169
Significant Other Observable Inputs (Level 2) [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	144
Financial Liabilities:
Derivatives	674
Significant Other Observable Inputs (Level 2) [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	480
Financial Liabilities:
Derivatives	$ 480
Significant Unobservable Inputs (Level 3) [Member]
Financial Assets:
Cash and cash equivalents
Securities available for sale
FHLB and FRB Stock
Loans held for sale, at fair value
Loans, net of allowance for loan losses	$ 2,692,867	$ 2,213,604
Accrued interest receivable	$ 5,765	$ 4,447
Financial Liabilities:
Deposits
Overnight borrowings
Federal home loan bank advances
Accrued interest payable
Derivatives
Significant Unobservable Inputs (Level 3) [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives
Financial Liabilities:
Derivatives
Significant Unobservable Inputs (Level 3) [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives
Financial Liabilities:
Derivatives
Fair value [Member]
Financial Assets:
Cash and cash equivalents	$ 38,688	$ 31,207
Securities available for sale	245,897	$ 332,652
FHLB and FRB Stock
Loans held for sale, at fair value	745	$ 839
Loans, net of allowance for loan losses	2,692,867	2,213,604
Accrued interest receivable	6,451	5,371
Financial Liabilities:
Deposits	2,662,791	2,297,786
Overnight borrowings	87,500	54,600
Federal home loan bank advances	84,908	84,677
Accrued interest payable	806	496
Derivatives		$ 169
Fair value [Member] | Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	144
Financial Liabilities:
Derivatives	674
Fair value [Member] | Not Designated as Hedging Instrument [Member]
Financial Assets:
Derivatives	480
Financial Liabilities:
Derivatives	$ 480