LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Average Recorded Investment in Impaired Loans and Related Interest Income (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	$ 12,572	$ 23,588	$ 13,758	$ 24,169
Interest Income Recognized	12	144	23	173
Commercial real estate \| Owner-occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	2,793	4,069	2,941	4,233
Interest Income Recognized	0	8	0	18
Commercial real estate \| Non-owner occupied
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	1,403	9,641	1,515	8,800
Interest Income Recognized	0	91	0	95
Commercial real estate \| Multi-family
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	537	260	502	280
Interest Income Recognized	0	0	0	1
Commercial real estate \| Non-owner occupied residential
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	919	2,139	1,132	2,923
Interest Income Recognized	0	2	0	10
Acquisition and development \| Commercial and land development
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	313	1,360	354	1,966
Interest Income Recognized	3	11	5	13
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	978	2,004	1,583	2,003
Interest Income Recognized	0	2	0	5
Residential mortgage \| First lien
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	4,856	3,964	5,037	3,768
Interest Income Recognized	9	30	18	31
Residential mortgage \| Home equity - term
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	164	90	124	96
Interest Income Recognized	0	0	0	0
Residential mortgage \| Home equity - lines of credit
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	587	59	546	99
Interest Income Recognized	0	0	0	0
Installment and other loans
Financing Receivable, Impaired [Line Items]
Average Impaired Balance	22	2	24	1
Interest Income Recognized	$ 0	$ 0	$ 0	$ 0

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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.

+ References

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