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FAIR VALUE DISCLOSURES - Summary of Additional Qualitative Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Impaired loans
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques	Appraisal of collateral	Appraisal of collateral
Impaired loans | Management adjustments on appraisals for property type and recent activity
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input	Management adjustments on appraisals for property type and recent activity	Management adjustments on appraisals for property type and recent activity
Impaired loans | Management adjustments for liquidation expenses
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input	Management adjustments for liquidation expenses	Management adjustments for liquidation expenses
Foreclosed real estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques	Appraisal of collateral	Appraisal of collateral
Foreclosed real estate | Management adjustments on appraisals for property type and recent activity
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input	Management adjustments on appraisals for property type and recent activity	Management adjustments on appraisals for property type and recent activity
Foreclosed real estate | Management adjustments for liquidation expenses
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input	Management adjustments for liquidation expenses	Management adjustments for liquidation expenses
Fair Value, Measurements, Nonrecurring | Impaired loans
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Estimate	$ 4,850	$ 4,757
Fair Value, Measurements, Nonrecurring | Impaired loans | Minimum | Management adjustments for liquidation expenses
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	6.00%	6.00%
Fair Value, Measurements, Nonrecurring | Impaired loans | Minimum | Appraisal of collateral | Management adjustments on appraisals for property type and recent activity
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	0.00%	0.00%
Fair Value, Measurements, Nonrecurring | Impaired loans | Maximum | Management adjustments for liquidation expenses
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	44.00%	44.00%
Fair Value, Measurements, Nonrecurring | Impaired loans | Maximum | Appraisal of collateral | Management adjustments on appraisals for property type and recent activity
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	60.00%	70.00%
Fair Value, Measurements, Nonrecurring | Foreclosed real estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Estimate	$ 265	$ 175
Fair Value, Measurements, Nonrecurring | Foreclosed real estate | Minimum | Management adjustments for liquidation expenses
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	5.00%	5.00%
Fair Value, Measurements, Nonrecurring | Foreclosed real estate | Minimum | Appraisal of collateral | Management adjustments on appraisals for property type and recent activity
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	10.00%	10.00%
Fair Value, Measurements, Nonrecurring | Foreclosed real estate | Maximum | Management adjustments for liquidation expenses
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	6.00%	6.00%
Fair Value, Measurements, Nonrecurring | Foreclosed real estate | Maximum | Appraisal of collateral | Management adjustments on appraisals for property type and recent activity
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Discount rate	20.00%	20.00%

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Fair value estimate presented for additional qualitative information about assets measured on a nonrecurring basis.

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Description of the inputs and valuation technique(s) used to measure fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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