LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Average Recorded Investment in Impaired Loans and Related Interest Income (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	$ 12,565	$ 20,497	$ 13,530	$ 21,718
Interest Income Recognized	147	72	170	216
Commercial real estate \| Owner-occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	2,336	3,681	2,749	3,965
Interest Income Recognized	0	1	0	9
Commercial real estate \| Non-owner occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	2,900	7,361	2,120	7,205
Interest Income Recognized	0	46	0	137
Commercial real estate \| Multi-family
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	369	98	452	234
Interest Income Recognized	0	0	0	0
Commercial real estate \| Non-owner occupied residential
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	866	1,905	1,055	2,603
Interest Income Recognized	0	0	0	2
Acquisition and development \| Commercial and land development
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	224	1,286	313	1,787
Interest Income Recognized	132	9	137	20
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	797	1,263	1,346	1,676
Interest Income Recognized	0	0	0	2
Residential mortgage \| First lien
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	4,280	4,772	4,771	4,068
Interest Income Recognized	15	15	33	45
Residential mortgage \| Home equity - term
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	174	72	139	90
Interest Income Recognized	0	0	0	0
Residential mortgage \| Home equity - lines of credit
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	599	49	562	85
Interest Income Recognized	0	0	0	0
Installment and other loans
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	20	10	23	5
Interest Income Recognized	$ 0	$ 1	$ 0	$ 1

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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