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SECURITIES (Tables)

12 Months Ended

Dec. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Estimated Fair Value of Securities Available for Sale

Amortized cost and estimated fair value of securities available for sale at December 31, 2016 and 2015 are as follows (in thousands):

	2016								2015
	Amortized Cost				Estimated Fair Value				Amortized Cost				Estimated Fair Value
Obligations of U.S. Government and     U.S. Government sponsored enterprises	$	17,300			$	17,455			$	99,430			$	100,166
Mortgage-backed securities, residential	253,156				245,866				199,680				198,366
Obligations of states and political subdivisions	38,843				38,740				43,695				44,426
Corporate bonds and notes	249				250				747				752
SBA loan pools	568				570				643				647
Corporate stocks	285				521				285				463
Total	$	310,401			$	303,402			$	344,480			$	344,820

Gross unrealized gains and losses on securities available for sale at December 31, 2016 and 2015, were as follows (in thousands):

	2016								2015
	Unrealized Gains				Unrealized Losses				Unrealized Gains				Unrealized Losses
Obligations of U.S. Government and     U.S. Government sponsored enterprises	$	155			$	—			$	752			$	16
Mortgage-backed securities, residential	202				7,492				427				1,741
Obligations of states and political subdivisions	209				312				737				6
Corporate bonds and notes	1				—				5				—
SBA loan pools	3				1				5				1
Corporate stocks	236				—				178				—
Total	$	806			$	7,805			$	2,104			$	1,764

Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale by Contractual Maturity

Securities not due at a single maturity date are shown separately (in thousands):

	December 31, 2016
	Amortized Cost				Fair Value
Within one year	$	8,236			$	8,286
After one, but within five years	36,171				36,400
After five, but within ten years	11,579				11,398
After ten years	406				361
Mortgage-backed securities, residential	253,156				245,866
SBA loan pools	568				570
Total	$	310,116			$	302,881

Proceeds from Sales and Calls of Securities Resulting in Gains or Losses

The proceeds from sales and calls of securities resulting in gains or losses are listed below (in thousands):

	2016				2015				2014
Proceeds	$	40,413			$	72,718			$	36,258
Gross gains	$	989			$	410			$	6,869
Gross losses	$	(2	)		$	(38	)		$	—
Tax expense	$	373			$	142			$	2,641

Amortized Cost and Estimated Fair Value of Securities Held to Maturity

Amortized cost and estimated fair value of securities held to maturity at December 31, 2016 and 2015 are as follows (in thousands):

	2016								2015
	Amortized Cost				Estimated Fair Value				Amortized Cost				Estimated Fair Value
Obligations of states and political subdivisions	$	3,725			$	3,931			$	4,566			$	4,822
Time deposits with other financial institutions	980				981				—				—
	$	4,705			$	4,912			$	4,566			$	4,822

Gross unrealized gains and losses on securities held to maturity at December 31, 2016 and 2015, were as follows (in thousands):

	2016								2015
	Unrealized Gains				Unrealized Losses				Unrealized Gains				Unrealized Losses
Obligations of states and political subdivisions	$	206			$	—			$	256			$	—
Time deposits with other financial institutions	1				—				—				—
Total	$	207			$	—			$	256			$	—

Contractual Maturities of Securities Held to Maturity

The contractual maturity of securities held to maturity is as follows at December 31, 2016 (in thousands):

	December 31, 2016
	Amortized Cost				Fair Value
Within one year	$	1,742			$	1,754
After one, but within five years	2,626				2,780
After five, but within ten years	337				378
After ten years	—				—
Total	$	4,705			$	4,912

Investment Securities Available for Sale in Unrealized Loss Position

The following table summarizes the investment securities available for sale with unrealized losses at December 31, 2016 and December 31, 2015 by aggregated major security type and length of time in a continuous unrealized position (in thousands):

		Less than 12 months								12 months or longer								Total
		Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
2016
Mortgage-backed securities, residential		$	233,843			$	7,492			$	—			$	—			$	233,843			$	7,492
Obligations of states and political subdivisions		25,724				312				—				—				25,724				312
SBA loan pools		—				—				225				1				225				1
Total temporarily impaired securities		$	259,567			$	7,804			$	225			$	1			$	259,792			$	7,805

		Less than 12 months								12 months or longer								Total
		Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
2015
Obligations of U.S. Government and U.S. Government sponsored enterprises		$	15,169			$	16			$	—			$	—			$	15,169			$	16
Mortgage-backed securities, residential		177,058				1,741				—				—				177,058				1,741
Obligations of states and political subdivisions		3,756				4				592				2				4,348				6
Corporate stocks		—				—				251				1				251				1
Total temporarily impaired securities		$	195,983			$	1,761			$	843			$	3			$	196,826			$	1,764

Roll Forward of Cumulative Credit Losses Recognized in Earnings

The table below presents a roll forward of the cumulative credit losses recognized in earnings for the periods ended December 31, 2016, 2015 and 2014 (in thousands):

	2016				2015				2014
Beginning balance, January 1,	$	—			$	—			$	1,939
Additions/Subtractions:
Reductions for previous credit losses realized on securities sold during the year	—				—				—
Reductions for previous credit losses realized on securities liquidated during the year	—				—				(1,939		)
Increases to the amount related to the credit loss for which other-than-temporary impairment was previously recognized	—				—				—
Ending balance, December 31,	$	—			$	—			$	—

Securities Pledged to Secure Securities Sold under Agreements to Repurchase

The table below shows the securities pledged to secure securities sold under agreements to repurchase at December 31, 2016 and 2015 (in thousands):

	2016								2015
	Amortized Cost				Fair Value				Amortized Cost				Fair Value
Obligations of U.S. Government and U. S.   Government sponsored enterprises	$	1,231			$	1,276			$	22,988			$	23,267
Mortgage-backed securities, residential	37,769				37,000				20,453				20,589
Total	$	39,000			$	38,276			$	43,441			$	43,856

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