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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) rolling_quarter industry_group loan_production_office banking_office	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Accounting Policies [Abstract]
Number of banking offices | banking_office		37
Number of loan production offices | loan_production_office		63
Net deferred tax asset		$ 12,081,000		$ 16,373,000
Valuation allowance		$ 0		0
Look-back period | rolling_quarter		28
Number of industry groups | industry_group		3
Accounting Standards Update 2014-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of change on equity or net assets				$ (274,000)
Effect of change on net income	$ (22,000)		$ (30,000)

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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