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ADVANCES FROM FEDERAL HOME LOAN BANK, GUARANTEED JUNIOR SUBORDINATED DEFERRABLE INTEREST DEBENTURES AND SUBORDINATED DEBT - Additional information (Details) - USD ($) $ in Thousands	24 Months Ended
	Dec. 31, 2005	Dec. 31, 2019	Dec. 31, 2018	Jan. 27, 2016	Dec. 31, 2015	Dec. 29, 2015	Apr. 28, 1998
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds		$ 358,000
Junior Subordinated Notes		12,955	$ 12,939
Subordinated Debt		7,511	7,488
Available Unsecured Federal Funds		35,000
Subordinated Debt [Member]
Debt Instrument, Face Amount						$ 7,650
Debt Instrument, Interest Rate, Stated Percentage					6.50%
Cash Redemption Of SBLF Preferred Stock				$ 21,000
Guaranteed Junior Subordinated Deferrable Interest Debentures [Member]
Debt Instrument, Face Amount							$ 34,500
Debt Instrument, Interest Rate, Stated Percentage							8.45%
Early Repayment of Subordinated Debt	$ 22,500
Junior Subordinated Notes		13,000	$ 12,900
Federal Reserve Bank [Member]
Availability Of Short term Borrowings Federal Reserve		$ 30,000

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Amount of availability of short-term borrowings from the federal reserve.

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Amount of available unsecured federal funds lines at correspondent banks.

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Amount of cash redemption on SBLF Preferred stock.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets before its maturity.

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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