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FAIR VALUE DISCLOSURES (Details) - USD ($) $ in Thousands	9 Months Ended
FAIR VALUE DISCLOSURES (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Financial Assets
Securities available for sale	$ 217,627		$ 205,944
Other securities	217,660		205,978
Financial Liabilities
Transfers from level 1 and level 2	0	$ 0
Transfers from level 2 and level 1	0	0
Transfers from level 1 and level 2	0	0
Transfers from level 2 and level 1	0	0
Transfers into level 3	0	0
Transfers from level 3	0	$ 0
Recurring basis
Financial Assets
Total financial assets	218,562		206,724
Financial Liabilities
Total financial liabilities	935		780
Recurring basis \| Interest rate swaps with customers
Financial Assets
Interest rate swaps assets	634		430
Financial Liabilities
Interest rate swaps liabilities	301		350
Recurring basis \| Interest rate swaps with financial institutions
Financial Assets
Interest rate swaps assets	301		350
Financial Liabilities
Interest rate swaps liabilities	634		430
Recurring basis \| State and municipal securities
Financial Assets
Securities available for sale	60,429		58,979
Recurring basis \| Debt securities
Financial Assets
Securities available for sale	18,527		20,341
Recurring basis \| Collateralized mortgage obligations
Financial Assets
Securities available for sale	51,708		33,770
Recurring basis \| Mortgage-backed securities
Financial Assets
Securities available for sale	85,875		91,790
Recurring basis \| Other securities
Financial Assets
Other securities	1,088		1,064
Level 1 Inputs
Financial Assets
Other securities	1,088		1,064
Total financial assets	349,666		383,167
Financial Liabilities
Total financial liabilities	1,051,755		1,025,425
Level 1 Inputs \| Recurring basis
Financial Assets
Total financial assets	1,088		1,064
Level 1 Inputs \| Recurring basis \| Other securities
Financial Assets
Other securities	1,088		1,064
Level 2 Inputs
Financial Assets
Securities available for sale	216,539		204,880
Total financial assets	291,902		264,587
Financial Liabilities
Total financial liabilities	1,489,285		1,489,621
Level 2 Inputs \| Interest rate swaps with customers
Financial Assets
Interest rate swaps assets	634		430
Financial Liabilities
Interest rate swaps liabilities	301		350
Level 2 Inputs \| Interest rate swaps with financial institutions
Financial Assets
Interest rate swaps assets	301		350
Financial Liabilities
Interest rate swaps liabilities	634		430
Level 2 Inputs \| Recurring basis
Financial Assets
Total financial assets	217,474		205,660
Financial Liabilities
Total financial liabilities	935		780
Level 2 Inputs \| Recurring basis \| Interest rate swaps with customers
Financial Assets
Interest rate swaps assets	634		430
Financial Liabilities
Interest rate swaps liabilities	301		350
Level 2 Inputs \| Recurring basis \| Interest rate swaps with financial institutions
Financial Assets
Interest rate swaps assets	301		350
Financial Liabilities
Interest rate swaps liabilities	634		430
Level 2 Inputs \| Recurring basis \| State and municipal securities
Financial Assets
Securities available for sale	60,429		58,979
Level 2 Inputs \| Recurring basis \| Debt securities
Financial Assets
Securities available for sale	18,527		20,341
Level 2 Inputs \| Recurring basis \| Collateralized mortgage obligations
Financial Assets
Securities available for sale	51,708		33,770
Level 2 Inputs \| Recurring basis \| Mortgage-backed securities
Financial Assets
Securities available for sale	85,875		91,790
Level 3 Inputs
Financial Assets
Total financial assets	$ 2,194,880		$ 2,151,708