Investment Securities (Tables)

9 Months Ended

Sep. 30, 2017

Securities Financing Transactions Disclosures [Abstract]

Unrealized Gain (Loss) on Investments

The amortized cost, fair value, and unrealized gains and losses on investment securities at September 30, 2017 and December 31, 2016 are as follows:

(Dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
September 30, 2017
Available-for-sale securities:
U.S. Treasury and U.S. government agencies	$	40,133	$	-	$	880	$	39,253
Mortgage-backed U.S. government agencies		27,370		11		335		27,046
State and political subdivision obligations		28,393		35		450		27,978
Corporate debt securities		1,000		5		-		1,005
Equity securities		1,268		2		39		1,231
Total available-for-sale securities		98,164		53		1,704		96,513
Held-to-maturity securities:
U.S. Treasury and U.S. government agencies		10,984		21		7		10,998
Mortgage-backed U.S. government agencies		51,326		96		102		51,320
State and political subdivision obligations		20,315		124		41		20,398
Corporate debt securities		-		-		-		-
Equity securities		-		-		-		-
Total held-to-maturity securities		82,625		241		150		82,716
Total	$	180,789	$	294	$	1,854	$	179,229

(Dollars in thousands)	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
December 31, 2016
Available-for-sale securities:
U.S. Treasury and U.S. government agencies	$	48,520	$	34	$	1,542	$	47,012
Mortgage-backed U.S. government agencies		26,181		17		579		25,619
State and political subdivision obligations		61,079		91		2,332		58,838
Corporate debt securities		1,100		-		-		1,100
Equity securities		1,168		-		112		1,056
Total available-for-sale securities	$	138,048	$	142	$	4,565	$	133,625

Schedule of Gross Realized Gains (Losses) on Sales of Available-For-Sale Securities

Gross realized gains and losses on sales of available-for-sale securities for the three and nine months ended September 30, 2017 and 2016 are shown in the table below.

(Dollars in thousands)	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Realized gains	$	46		$	203		$	246		$	652
Realized losses		(24	)		(3	)		(204	)		(239	)
Net gains	$	22		$	200		$	42		$	413

Schedule of Fair Value and Unrealized Loss on Investments in a Continuous Unrealized Loss Position

The following tables present gross unrealized losses and fair value of investments aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2017 and December 31, 2016.

(Dollars in thousands)	Less Than 12 Months					12 Months or More					Total
	Number					Number					Number
	of	Fair		Unrealized		of	Fair		Unrealized		of	Fair		Unrealized
September 30, 2017	Securities	Value		Losses		Securities	Value		Losses		Securities	Value		Losses
Available-for-sale securities:
U.S. Treasury and U.S. government agencies	7	$	15,790	$	237	14	$	23,462	$	643	21	$	39,252	$	880
Mortgage-backed U.S. government agencies	11		18,279		141	9		9,718		194	20		27,997		335
State and political subdivision obligations	12		6,855		41	35		16,428		409	47		23,283		450
Equity securities	0		-		-	1		511		39	1		511		39
Total temporarily impaired available-for-sale securities	30		40,924		419	59		50,119		1,285	89		91,043		1,704
Held-to-maturity securities:
U.S. Treasury and U.S. government agencies	2		4,989		7	0		-		-	2		4,989		7
Mortgage-backed U.S. government agencies	11		18,676		102	0		-		-	11		18,676		102
State and political subdivision obligations	20		7,555		41	0		-		-	20		7,555		41
Total temporarily impaired held-to-maturity securities	33		31,220		150	0		-		-	33		31,220		150
Total	63	$	72,144	$	569	59	$	50,119	$	1,285	122	$	122,263	$	1,854

(Dollars in thousands)	Less Than 12 Months					12 Months or More						Total
	Number					Number						Number
	of	Fair		Unrealized		of	Fair		Unrealized			of	Fair		Unrealized
December 31, 2016	Securities	Value		Losses		Securities	Value		Losses			Securities	Value		Losses
Available-for-sale securities:
U.S. Treasury and U.S. government agencies	23	$	43,698	$	1,542	0	$	-		$	-	23	$	43,698	$	1,542
Mortgage-backed U.S. government agencies	18		24,321		579	0		-			-	18		24,321		579
State and political subdivision obligations	108		50,582		2,332	0		-			-	108		50,582		2,332
Equity securities	0		-		-	2		1,056			112	2		1,056		112
Total temporarily impaired available-for-sale securities	149	$	118,601	$	4,453	2	$	1,056		$	112	151	$	119,657	$	4,565

Investments Classified by Contractual Maturity Date

The table below illustrates the maturity distribution of investment securities at amortized cost and fair value as of September 30, 2017.

(Dollars in thousands)	Available-for-sale				Held-to-maturity
	Amortized		Fair		Amortized		Fair
September 30, 2017	Cost		Value		Cost		Value
Due in 1 year or less	$	596	$	596	$	-	$	-
Due after 1 year but within 5 years		12,542		12,446		19,332		19,421
Due after 5 years but within 10 years		46,306		45,375		11,967		11,975
Due after 10 years		10,082		9,819		-		-
		69,526		68,236		31,299		31,396
Mortgage-backed securities		27,370		27,046		51,326		51,320
Equity securities		1,268		1,231		-		-
	$	98,164	$	96,513	$	82,625	$	82,716