SECURITIES (Tables)

6 Months Ended

Jun. 30, 2018

Amortized Cost and Fair Value of Securities Available-for-Sale

The amortized cost and fair value of available-for-sale securities and the related gross unrealized gains and losses recognized in accumulated other comprehensive income are listed below.

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
June 30, 2018
Available-for-sale securities
Residential mortgage-backed securities (issued by    government-sponsored entities)	$	186,157	$	—	$	(5,919	)	$	180,238
	$	186,157	$	—	$	(5,919	)	$	180,238
December 31, 2017
Available-for-sale securities
Residential mortgage-backed securities (issued by    government-sponsored entities)	$	163,374	$	36	$	(1,819	)	$	161,591
State and political subdivisions		195	—			—			195
Equity securities		500		—		(14	)		486
	$	164,069	$	36	$	(1,833	)	$	162,272

Amortized Cost and Fair Value of Securities Held-to-Maturity

The amortized cost and fair value of held-to-maturity securities and the related gross unrecognized gains and losses are listed in the following table.

	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
June 30, 2018
Held-to-maturity securities
U.S. Government-sponsored entities	$	5,358	$	—	$	(24	)	$	5,334
Residential mortgage-backed (securities issued by    government sponsored entities)		481,294		255		(12,521	)		469,028
Corporate		22,993		372		(35	)		23,330
Small Business Administration loan pools		1,884		—		(34	)		1,850
State and political subdivisions		154,466		736		(1,732	)		153,470
	$	665,995	$	1,363	$	(14,346	)	$	653,012
December 31, 2017
Held-to-maturity securities
U.S. Government-sponsored entities	$	998	$	—	$	(13	)	$	985
Residential mortgage-backed (securities issued by    government sponsored entities)		383,875		573		(4,866	)		379,582
Corporate		22,991		355		—			23,346
Small Business Administration loan pools		2,048		—		(14	)		2,034
State and political subdivisions		125,550		1,694		(447	)		126,797
	$	535,462	$	2,622	$	(5,340	)	$	532,744

Fair Value and Amortized Cost of Debt Securities by Contractual Maturity

The fair value and amortized cost of debt securities at June 30, 2018, by contractual maturity, is shown below.  Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date, primarily mortgage-backed securities, are shown separately.

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within one year	$	—	$	—	$	5,055	$	5,057
One to five years		—		—		35,190		35,342
Five to ten years	—		—			56,830		57,288
After ten years		—		—		87,626		86,297
Mortgage-backed securities		186,157		180,238		481,294		469,028
Total debt securities	$	186,157	$	180,238	$	665,995	$	653,012

Proceeds from Sales and Associated Gains and Losses Reclassified from Other comprehensive Income to Income

The proceeds from sales and the associated gains and losses on available-for-sale securities reclassified from other comprehensive income to income are listed in the table below.

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Proceeds	$	—	$	3,083	$	—	$	6,522
Gross gains		—		83		—		96
Gross losses		—		—		—		—
Income tax expense on net realized gains		—		32		—		37

Available for Sale Securities [Member]

Summary of Gross Unrealized Losses and Fair Value of Securities

The following tables show gross unrealized losses and fair value, aggregated by investment category, and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2018 and December 31, 2017.

	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
June 30, 2018
Available-for-sale securities
Residential mortgage-backed (issued by    government-sponsored entities)	$	127,047	$	(3,265	)	$	52,954	$	(2,654	)	$	180,001	$	(5,919	)
Total temporarily impaired securities	$	127,047	$	(3,265	)	$	52,954	$	(2,654	)	$	180,001	$	(5,919	)
December 31, 2017
Available-for-sale securities
Residential mortgage-backed (issued by    government-sponsored entities)	$	78,884	$	(437	)	$	58,540	$	(1,382	)	$	137,424	$	(1,819	)
Equity securities		—		—			486		(14	)		486		(14	)
Total temporarily impaired securities	$	78,884	$	(437	)	$	59,026	$	(1,396	)	$	137,910	$	(1,833	)

Held to Maturity Securities [Member]

Summary of Gross Unrealized Losses and Fair Value of Securities

	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
June 30, 2018
Held-to-maturity securities
U.S. Government-sponsored entities	$	2,374	$	(1	)	$	975	$	(23	)	$	3,349	$	(24	)
Residential mortgage-backed (issued by    government-sponsored entities)		185,445		(4,663	)		181,293		(9,301	)		366,738		(13,964	)
Corporate		5,166		(114	)		—		—			5,166		(114	)
Small Business Administration loan pools		846		(16	)		1,004		(40	)		1,850		(56	)
State and political subdivisions		64,467		(944	)		26,545		(1,135	)		91,012		(2,079	)
Total temporarily impaired securities	$	258,298	$	(5,738	)	$	209,817	$	(10,499	)	$	468,115	$	(16,237	)
December 31, 2017
Held-to-maturity securities
U.S. Government-sponsored entities	$	—	$	—		$	985	$	(13	)	$	985	$	(13	)
Residential mortgage-backed (issued by    government-sponsored entities)		147,281		(1,263	)		198,239		(5,030	)		345,520		(6,293	)
Corporate		5,312		(16	)		—		—			5,312		(16	)
Small Business Administration loan pools		926		(1	)		1,108		(38	)		2,034		(39	)
State and political subdivisions		22,100		(123	)		26,387		(439	)		48,487		(562	)
Total temporarily impaired securities	$	175,619	$	(1,403	)	$	226,719	$	(5,520	)	$	402,338	$	(6,923	)