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FAIR VALUE - Schedule of Additional Qualitative Information (Detail) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Impaired loans | Appraisal of Collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Estimate	$ 4,350	$ 4,757
Impaired loans | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	0.00%	6.00%
Impaired loans | Minimum | Appraisal of Collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	10.00%	0.00%
Impaired loans | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	41.00%	44.00%
Impaired loans | Maximum | Appraisal of Collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	75.00%	70.00%
Foreclosed real estate | Appraisal of Collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Estimate	$ 88	$ 175
Foreclosed real estate | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	10.00%	5.00%
Foreclosed real estate | Minimum | Appraisal of Collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	13.00%	10.00%
Foreclosed real estate | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	18.00%	6.00%
Foreclosed real estate | Maximum | Appraisal of Collateral
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount Rate	17.00%	20.00%

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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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