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Loans and Allowance for Loan Losses - Schedule of Analysis of Non-Accruing Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	$ 3,102	$ 4,826
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	339	956
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	968	1,277
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	213	2,314
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	47	139
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	$ 1,535	$ 140

X

- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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