FAIR VALUE DISCLOSURES - Financial Instruments at Estimated Fair Values (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financial Assets
Interest bearing deposits with banks	$ 54,634	$ 16,928
Restricted investments in bank stocks	6,270	8,720
Securities available for sale	327,590	394,124
Carrying Amount
Financial Assets
Cash and due from banks	12,281	11,412
Interest bearing deposits with banks	54,634	16,928
Restricted investments in bank stocks	6,270	8,720
Securities available for sale	327,590	394,124
Loans held for sale	3,499	5,917
Loans, net of allowance for loan losses	791,356	768,145
Accrued interest receivable	3,582	3,845
Financial Liabilities
Deposits	1,048,376	1,032,167
Short-term borrowings	62,693	89,156
Long-term debt	24,413	24,495
Accrued interest payable	376	366
Off-balance sheet instruments	0	0
Fair Value
Financial Assets
Cash and due from banks	12,281	11,412
Interest bearing deposits with banks	54,634	16,928
Securities available for sale	327,590	394,124
Loans held for sale	3,595	6,045
Loans, net of allowance for loan losses	810,260	776,067
Accrued interest receivable	3,582	3,845
Financial Liabilities
Deposits	1,055,702	1,032,265
Short-term borrowings	62,693	89,156
Long-term debt	25,259	25,357
Accrued interest payable	376	366
Off-balance sheet instruments	0	0
Fair Value \| Level 1
Financial Assets
Cash and due from banks	12,281	11,412
Interest bearing deposits with banks	54,634	16,928
Securities available for sale	0	0
Loans held for sale	0	0
Loans, net of allowance for loan losses	0	0
Accrued interest receivable	0	0
Financial Liabilities
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Accrued interest payable	0	0
Off-balance sheet instruments	0	0
Fair Value \| Level 2
Financial Assets
Cash and due from banks	0	0
Interest bearing deposits with banks	0	0
Securities available for sale	327,590	394,124
Loans held for sale	3,595	6,045
Loans, net of allowance for loan losses	0	0
Accrued interest receivable	1,709	2,257
Financial Liabilities
Deposits	1,055,702	1,032,265
Short-term borrowings	62,693	89,156
Long-term debt	25,259	25,357
Accrued interest payable	376	366
Off-balance sheet instruments	0	0
Fair Value \| Level 3
Financial Assets
Cash and due from banks	0	0
Interest bearing deposits with banks	0	0
Securities available for sale	0	0
Loans held for sale	0	0
Loans, net of allowance for loan losses	810,260	776,067
Accrued interest receivable	1,873	1,588
Financial Liabilities
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Accrued interest payable	0	0
Off-balance sheet instruments	$ 0	$ 0

Interest payable fair value.

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Interest receivable fair value.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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No definition available.

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The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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-Publisher FASB
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-Section 50
-Paragraph 10
-Subparagraph (a)
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For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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-Paragraph 1
-Subparagraph (SX 210.9-03.2)
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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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No definition available.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

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