LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Loan Portfolio Summarized by Aging Categories of Performing Loans and Nonaccrual Loans (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 688,902	$ 647,727
30-59 Days Past Due	1,203	3,264
60-89 Days Past Due	409	699
90+ (still accruing) Days Past Due	0	0
Total Past Due	1,612	3,963
Non- Accrual	14,432	19,347
Total Loans	704,946	671,037
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	322,006	325,397
Commercial Real Estate [Member] \| Owner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	97,571	106,078
30-59 Days Past Due	0	742
60-89 Days Past Due	0	108
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	850
Non- Accrual	3,288	4,362
Total Loans	100,859	111,290
Commercial Real Estate [Member] \| Non-owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	142,621	132,913
30-59 Days Past Due	0	191
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	191
Non- Accrual	1,680	2,849
Total Loans	144,301	135,953
Commercial Real Estate [Member] \| Multi - Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	27,211	22,560
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	0
Non- Accrual	320	322
Total Loans	27,531	22,882
Commercial Real Estate [Member] \| Non-owner Occupied Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	47,706	50,554
30-59 Days Past Due	109	225
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	109	225
Non- Accrual	1,500	4,493
Total Loans	49,315	55,272
Acquisition and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	30,161	22,778
Acquisition and Development [Member] \| 1-4 Family Residential Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,924	3,338
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	0
Non- Accrual	0	0
Total Loans	5,924	3,338
Acquisition and Development [Member] \| Commercial and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	24,114	17,289
30-59 Days Past Due	0	45
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	45
Non- Accrual	123	2,106
Total Loans	24,237	19,440
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	46,558	31,111
30-59 Days Past Due	0	334
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	334
Non- Accrual	2,437	2,001
Total Loans	48,995	33,446
Municipal [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	61,191	60,996
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	0	0
Non- Accrual	0	0
Total Loans	61,191	60,996
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	236,702	222,236
Residential Mortgage [Member] \| First Lien [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	120,806	119,845
30-59 Days Past Due	776	1,380
60-89 Days Past Due	400	577
90+ (still accruing) Days Past Due	0	0
Total Past Due	1,176	1,957
Non- Accrual	4,509	2,926
Total Loans	126,491	124,728
Residential Mortgage [Member] \| Home Equity - Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	20,640	19,966
30-59 Days Past Due	135	56
60-89 Days Past Due	0	2
90+ (still accruing) Days Past Due	0	0
Total Past Due	135	58
Non- Accrual	70	107
Total Loans	20,845	20,131
Residential Mortgage [Member] \| Home Equity - Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	88,745	76,982
30-59 Days Past Due	142	214
60-89 Days Past Due	0	0
90+ (still accruing) Days Past Due	0	0
Total Past Due	142	214
Non- Accrual	479	181
Total Loans	89,366	77,377
Installment and Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	5,815	6,095
30-59 Days Past Due	41	77
60-89 Days Past Due	9	12
90+ (still accruing) Days Past Due	0	0
Total Past Due	50	89
Non- Accrual	26	0
Total Loans	$ 5,891	$ 6,184

Financing receivables that are less than 60 days past due but more than 29 days past due.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

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

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-Name Accounting Standards Codification

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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