SECURITIES (Tables)

6 Months Ended

Jun. 30, 2016

Gain (Loss) on Investments [Line Items]

Gain (Loss) on Investments [Table Text Block]

The following table details the Company’s sales of AFS securities for the period indicated below:

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Proceeds from sales of securities	$	84	$	—	$	84	$	—
Gross realized gains	4		—		4		—
Gross realized losses	—		—		—		—

Summary of Amortized Costs and Estimated Fair Values of Available-For-Sale Securities

The following tables summarize the amortized cost and estimated fair values of AFS and HTM securities, as of the dates indicated: 

	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
June 30, 2016
AFS Securities:
Obligations of U.S. government-sponsored enterprises	$	4,975	$	156	$	—		$	5,131
Obligations of states and political subdivisions	9,765		279		—			10,044
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises	461,493		9,117		(139		)	470,471
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises	305,878		3,064		(1,330		)	307,612
Subordinated corporate bonds	5,481		142		—			5,623
Total AFS debt securities	787,592		12,758		(1,469		)	798,881
Equity securities	632		13		—			645
Total AFS securities	$	788,224	$	12,771	$	(1,469	)	$	799,526
HTM Securities:
Obligations of states and political subdivisions	$	93,609	$	4,086	$	(3	)	$	97,692
Total HTM securities	$	93,609	$	4,086	$	(3	)	$	97,692
December 31, 2015
AFS Securities:
Obligations of U.S. government-sponsored enterprises	$	4,971	$	69	$	—		$	5,040
Obligations of states and political subdivisions	17,355		339		—			17,694
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises	419,429		3,474		(3,857		)	419,046
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises	312,719		409		(6,271		)	306,857
Subordinated corporate bonds	1,000		—		(4		)	996
Total AFS debt securities	755,474		4,291		(10,132		)	749,633
Equity securities	712		2		(9		)	705
Total AFS securities	$	756,186	$	4,293	$	(10,141	)	$	750,338
HTM Securities:
Obligations of states and political subdivisions	$	84,144	$	1,564	$	(61	)	$	85,647
Total HTM securities	$	84,144	$	1,564	$	(61	)	$	85,647

Unrealized Gross Losses and Estimated Fair Values of Investment Securities by Length of Time that Individual Securities in Each Category in Continuous Loss Position

The following table presents the estimated fair values and gross unrealized losses of investment securities that were in a continuous loss position at June 30, 2016 and December 31, 2015, by length of time that individual securities in each category have been in a continuous loss position:  

	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
June 30, 2016
AFS Securities:
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises	$	1	$	—		$	33,618	$	(139	)	$	33,619	$	(139	)
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises	1,930		(8		)	94,005		(1,322		)	95,935		(1,330		)
Total AFS securities	$	1,931	$	(8	)	$	127,623	$	(1,461	)	$	129,554	$	(1,469	)
HTM Securities:
Obligations of states and political subdivisions	$	423	$	(3	)	$	—	$	—		$	423	$	(3	)
Total HTM securities	$	423	$	(3	)	$	—	$	—		$	423	$	(3	)
December 31, 2015
AFS Securities:
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises	$	234,897	$	(2,351	)	$	45,629	$	(1,506	)	$	280,526	$	(3,857	)
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises	111,143		(1,068		)	147,180		(5,203		)	258,323		(6,271		)
Subordinated corporate bonds	996		(4		)	—		—			996		(4		)
Equity Securities	615		(9		)	—		—			615		(9		)
Total AFS securities	$	347,651	$	(3,432	)	$	192,809	$	(6,709	)	$	540,460	$	(10,141	)
HTM Securities:
Obligations of states and political subdivisions	$	5,507	$	(61	)	$	—	$	—		$	5,507	$	(61	)
Total HTM securities	$	5,507	$	(61	)	$	—	$	—		$	5,507	$	(61	)

Amortized Cost and Estimated Fair Values of Debt Securities by Contractual Maturity

The amortized cost and estimated fair values of debt securities by contractual maturity at June 30, 2016, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. 

	Amortized Cost		Fair Value
AFS Securities
Due in one year or less	$	1,430	$	1,441
Due after one year through five years	107,452		109,501
Due after five years through ten years	101,018		104,203
Due after ten years	577,692		583,736
	$	787,592	$	798,881
HTM Securities
Due after one year through five years	$	2,189	$	2,247
Due after five years through ten years	4,587		4,726
Due after ten years	86,833		90,719
	$	93,609	$	97,692