INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Low Income Housing Project Investments	$ 594	$ 194	$ 196
Deferred tax assets
Accrued expenses not deducted for tax purposes	10,666	8,530
Allowance for loan losses	22,462	21,743
Deferred gain on sale leaseback transaction	2,579	3,104
Derivatives fair value adjustment	1,882	3,440
Employee and director equity compensation	2,380	2,351
Federal Home Loan Bank borrowings fair value adjustment	83	220
Loan basis difference fair value adjustment	2,094	1,819
Net operating loss carry-forward	230	1,671
Net unrealized loss on securities available for sale	0	1,418
New Markets Tax Credit carry-forward	521	2,257
Other-than-temporary impairment on securities	4,072	4,074
Other	1,426us-gaap_DeferredTaxAssetsOther	1,481us-gaap_DeferredTaxAssetsOther
Total	48,395us-gaap_DeferredTaxAssetsGross	52,108us-gaap_DeferredTaxAssetsGross
Deferred tax liabilities
Core deposit and other intangibles	3,194	4,052
Deferred loan fees, net	4,164	3,530
Fixed assets	4,875	5,571
Goodwill	14,194	13,030
Net unrealized gain on securities available for sale	2,075	0
Other	1,180us-gaap_DeferredTaxLiabilitiesOther	956us-gaap_DeferredTaxLiabilitiesOther
Total	29,682us-gaap_DeferredIncomeTaxLiabilities	27,139us-gaap_DeferredIncomeTaxLiabilities
Total net deferred tax asset	$ 18,713us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 24,969us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred Tax Asset, Loan Fair Value Adjustment

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Deferred Tax Liabilities, Unrealized Gains on Available-for-sale Securities

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on available-for-sale securities.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit.

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