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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

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-Paragraph 11B

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- Definition

Amount of allowance for credit losses related to recorded investment.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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

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

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Loans - Allowances for Loan Losses and Ending Balances by Portfolio Segment and Based on Impairment Method (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Ending allowance balances attributable to loans:
Individually evaluated for impairment	$ 877	$ 784
Collectively evaluated for impairment	4,188	4,301
Total ending allowance balance	5,065	5,085	4,804	4,580
Loans:
Loans individually evaluated for impairment	12,174	10,640
Loans collectively evaluated for impairment	395,317	368,242
Total ending loans balance	407,491	378,882
Commercial [Member]
Ending allowance balances attributable to loans:
Individually evaluated for impairment	225	241
Collectively evaluated for impairment	916	978
Total ending allowance balance	1,141	1,219	1,176	933
Loans:
Loans individually evaluated for impairment	6,543	5,576
Loans collectively evaluated for impairment	125,597	111,902
Total ending loans balance	132,140	117,478
Commercial Real Estate [Member]
Ending allowance balances attributable to loans:
Individually evaluated for impairment	443	331
Collectively evaluated for impairment	1,749	1,541
Total ending allowance balance	2,192	1,872	1,824	1,902
Loans:
Loans individually evaluated for impairment	3,731	3,220
Loans collectively evaluated for impairment	138,498	126,608
Total ending loans balance	142,229	129,828
Residential Real Estate [Member]
Ending allowance balances attributable to loans:
Individually evaluated for impairment	209	212
Collectively evaluated for impairment	845	993
Total ending allowance balance	1,054	1,205	1,282	1,096
Loans:
Loans individually evaluated for impairment	1,900	1,844
Loans collectively evaluated for impairment	113,016	109,601
Total ending loans balance	114,916	111,445
Construction & Land Development [Member]
Ending allowance balances attributable to loans:
Individually evaluated for impairment
Collectively evaluated for impairment	145	178
Total ending allowance balance	145	178	134	253
Loans:
Loans individually evaluated for impairment
Loans collectively evaluated for impairment	11,365	13,444
Total ending loans balance	11,365	13,444
Consumer [Member]
Ending allowance balances attributable to loans:
Individually evaluated for impairment
Collectively evaluated for impairment	77	91
Total ending allowance balance	77	91	68	76
Loans:
Loans individually evaluated for impairment
Loans collectively evaluated for impairment	6,841	6,687
Total ending loans balance	6,841	6,687
Unallocated [Member]
Ending allowance balances attributable to loans:
Individually evaluated for impairment
Collectively evaluated for impairment	456	520
Total ending allowance balance	456	520	320	320
Loans:
Loans individually evaluated for impairment
Loans collectively evaluated for impairment
Total ending loans balance