INVESTMENT SECURITIES (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Investment securities available-for-sale [Abstract]
Amortized cost	$ 296,207		$ 279,875
Unrealized gains	554		556
Unrealized losses	(3,318)		(3,352)
Estimated fair value	293,443		277,079
Proceeds from sales/calls of available-for-sale securities	2,737	$ 3,978
Gross realized gains from sales or calls of available-for-sale securities	0	14
Gross realized losses from sales or calls of available-for-sale securities	(16)	$ 0
U.S. Treasury Securities [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	28,699		28,738
Unrealized gains	0		2
Unrealized losses	(91)		(88)
Estimated fair value	28,608		28,652
Securities of U.S. Government Agencies and Corporations [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	22,376		24,382
Unrealized gains	5		2
Unrealized losses	(155)		(187)
Estimated fair value	22,226		24,197
Obligations of States and Political Subdivisions [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	30,471		30,870
Unrealized gains	268		271
Unrealized losses	(152)		(253)
Estimated fair value	30,587		30,888
Collateralized Mortgage Obligations [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	53,695		51,002
Unrealized gains	0		1
Unrealized losses	(1,013)		(1,065)
Estimated fair value	52,682		49,938
Mortgage-backed Securities [Member]
Investment securities available-for-sale [Abstract]
Amortized cost	160,966		144,883
Unrealized gains	281		280
Unrealized losses	(1,907)		(1,759)
Estimated fair value	$ 159,340		$ 143,404

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of debt securities categorized neither as held-to-maturity nor trading.

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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