FAIR VALUE MEASUREMENTS (Fair Value, by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financial Assets [Abstract]
Interest-bearing deposits in banks	$ 5,135	$ 5,289
Investment securities available for sale	142,990	125,693
Investment securities held to maturity	55,425	71,363
Restricted investment in bank stocks	4,349	4,414
Carrying Amount
Financial Assets [Abstract]
Cash and due from banks	13,796	13,468
Interest-bearing deposits in banks	5,135	5,289
Investment securities available for sale	142,990	125,693
Investment securities held to maturity	55,568	71,542
Loans held for sale	1,770	1,835
Loans, less allowance for loan losses	893,176	838,213
Accrued interest receivable	3,158	3,016
Restricted investment in bank stocks	4,349	4,414
Financial Liabilities [Abstract]
Deposits	967,621	912,980
Short-term borrowings	34,590	35,202
Long-term borrowings	74,250	76,500
Accrued interest payable	837	815
Off-balance sheet financial instruments	0	0
Fair Value
Financial Assets [Abstract]
Cash and due from banks	13,796	13,468
Interest-bearing deposits in banks	5,135	5,289
Investment securities available for sale	142,990	125,693
Investment securities held to maturity	55,425	71,363
Loans held for sale	1,770	1,835
Loans, less allowance for loan losses	888,169	842,169
Accrued interest receivable	3,158	3,016
Restricted investment in bank stocks	4,349	4,414
Financial Liabilities [Abstract]
Deposits	967,236	913,188
Short-term borrowings	34,590	35,202
Long-term borrowings	75,029	77,545
Accrued interest payable	837	815
Off-balance sheet financial instruments	0	0
Level 1
Financial Assets [Abstract]
Cash and due from banks	6,921	6,746
Interest-bearing deposits in banks	5,135	5,289
Investment securities available for sale	1,716	1,792
Investment securities held to maturity	0	0
Loans held for sale	0	0
Loans, less allowance for loan losses	0	0
Accrued interest receivable	0	0
Restricted investment in bank stocks	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Accrued interest payable	0	0
Off-balance sheet financial instruments	0	0
Level 2
Financial Assets [Abstract]
Cash and due from banks	6,875	6,722
Interest-bearing deposits in banks	0	0
Investment securities available for sale	141,274	123,901
Investment securities held to maturity	55,425	71,363
Loans held for sale	1,770	1,835
Loans, less allowance for loan losses	0	0
Accrued interest receivable	3,158	3,016
Restricted investment in bank stocks	4,349	4,414
Financial Liabilities [Abstract]
Deposits	967,236	913,188
Short-term borrowings	34,590	35,202
Long-term borrowings	75,029	77,545
Accrued interest payable	837	815
Off-balance sheet financial instruments	0	0
Level 3
Financial Assets [Abstract]
Cash and due from banks	0	0
Interest-bearing deposits in banks	0	0
Investment securities available for sale	0	0
Investment securities held to maturity	0	0
Loans held for sale	0	0
Loans, less allowance for loan losses	888,169	842,169
Accrued interest receivable	0	0
Restricted investment in bank stocks	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Accrued interest payable	0	0
Off-balance sheet financial instruments	$ 0	$ 0

Financial Assets [Abstract]

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Financial Liabilities [Abstract]

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Equity interest in Federal Home Loan Bank stock, Federal Reserve Bank stock, and Atlantic Central Bankers Bank stock. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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

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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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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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The face amount 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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Fair value of investments in debt securities classified as held-to-maturity.

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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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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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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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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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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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