Investment Securities (Tables)

12 Months Ended

Dec. 31, 2016

Aggregate Amortized Cost and Fair Values of Available-for-Sale Securities Portfolio

The aggregate amortized cost and fair values of the available-for-sale securities portfolio are as follows:

(Dollars in thousands)			Gross		Gross
Available-for-sale securities	Amortized		Unrealized		Unrealized			Fair
December 31, 2016	Cost		Gains		(Losses)			Value
Corporate bonds	$	7,695	$	14	$	(5	)	$	7,704
U.S. Government agencies		25,668		53		(408	)		25,313
State and municipal obligations		18,566		49		(459	)		18,156
	$	51,929	$	116	$	(872	)	$	51,173
			Gross		Gross
Available-for-sale securities	Amortized		Unrealized		Unrealized			Fair
December 31, 2015	Cost		Gains		(Losses)			Value
Corporate bonds	$	3,950	$	—	$	(5	)	$	3,945
U.S. Government agencies		21,375		69		(156	)		21,288
State and municipal obligations		28,599		313		(55	)		28,857
	$	53,924	$	382	$	(216	)	$	54,090

Gross Realized Gains and Gross Realized Losses on Sales of Securities

The cost of securities sold is based on actual net cost. Gross realized gains and gross realized losses, as well as proceeds on sales and calls of securities, were as follows:

	For the years ended December 31,
(Dollars in thousands)	2016			2015
Gross realized gains	$	445		$	68
Gross realized losses		(10	)		(26	)
Net realized gains	$	435		$	42
Aggregate proceeds	$	19,509		$	13,540

Aggregate Amortized Cost and Market Values of Investment Securities Portfolio by Contractual Maturity

The aggregate amortized cost and market values of the investment securities portfolio by contractual maturity at December 31, 2016 are shown below:

(Dollars in thousands)	Amortized Cost		Fair Value
Due in one year or less	$	52	$	52
Due after one year through five years		28,093		27,865
Due after five through ten years		17,952		17,530
Due after ten years		5,832		5,726
	$	51,929	$	51,173

Unrealized Loss Positions

Bonds with unrealized loss positions at December 31, 2015 included five federal agencies, one corporate bond and 17 municipals.

(Dollars in thousands)	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
December 31, 2016	Value		Loss			Value		Loss			Value		Loss
Corporate bonds	$	995	$	(5	)	$	—	$	—		$	995	$	(5	)
U.S. Government agencies		20,933		(396	)		1,308		(12	)		22,241		(408	)
States and municipal obligations		12,888		(459	)		—		—			12,888		(459	)
Total temporarily impaired securities	$	34,816	$	(860	)	$	1,308	$	(12	)	$	36,124	$	(872	)
	Less than 12 months					12 months or more					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
December 31, 2015	Value		Loss			Value		Loss			Value		Loss
Corporate bonds	$	495	$	(5	)	$	—	$	—		$	495	$	(5	)
U.S. Government agencies		13,871		(141	)		1,619		(15	)		15,490		(156	)
States and municipal obligations		2,566		(17	)		3,281		(38	)		5,847		(55	)
Total temporarily impaired securities	$	16,932	$	(163	)	$	4,900	$	(53	)	$	21,832	$	(216	)