Portfolio Quality Indicators (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Commercial	$ 57,478	$ 52,286
Commercial Real Estate	152,264	158,314
Residential	82,857	83,870
Installment	19,323	21,284
Total	311,922	315,754
Pass Grade
Financing Receivable, Recorded Investment [Line Items]
Commercial	57,334	51,895
Commercial Real Estate	146,421	151,535
Residential	82,857	83,870
Installment	19,323	21,284
Total	305,935	308,584
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Commercial	42	265
Commercial Real Estate	1,028	1,980
Residential	0	0
Installment	0	0
Total	1,070	2,245
Substandard
Financing Receivable, Recorded Investment [Line Items]
Commercial	102	126
Commercial Real Estate	4,815	4,799
Residential	0	0
Installment	0	0
Total	4,917	4,925
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Commercial	0	0
Commercial Real Estate	0	0
Residential	0	0
Installment	0	0
Total	$ 0	$ 0

Loans and leases receivable, residential, real estate.

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Amount before allowance of commercial loans and leases receivable includes, but not limited to, commercial and industrial loans, agricultural loans, mortgage loans, promissory notes, interbank and other loans to financial institutions, draws against credit facilities, trade financing, lease financings. 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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Amount before allowance of installment and revolving loans issued to individuals, including, but not limited to credit card, automobile, boat, student, durable home appliance 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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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.

+ References

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

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-Topic 310

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Amount before allowance of commercial loans issued to businesses to acquire, develop, construct, improve, or refinance land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans 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

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-Subparagraph (SX 210.9-03.7(a))

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