Investment Securities (Tables)

6 Months Ended

Jun. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Available-for-sale and held-to-maturity securities [Table Text Block]

Investment securities as of the balance sheet dates consisted of the following:

June 30, 2017	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(Dollars in thousands)
Available-for-sale
Debt securities:
U.S. Government-sponsored enterprises	$	9,744	$	10	$	(147	)	$	9,607
Agency mortgage-backed	19,514		40		(159		)	19,395
State and political subdivisions	26,505		265		(254		)	26,516
Corporate	9,930		135		(52		)	10,013
Total debt securities	65,693		450		(612		)	65,531
Mutual funds	445		—		—			445
Total	$	66,138	$	450	$	(612	)	$	65,976
Held-to-maturity
U.S. Government-sponsored enterprises	$	1,000	$	—	$	(2	)	$	998

December 31, 2016	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(Dollars in thousands)
Available-for-sale
Debt securities:
U.S. Government-sponsored enterprises	$	10,221	$	15	$	(196	)	$	10,040
Agency mortgage-backed	18,283		27		(269		)	18,041
State and political subdivisions	27,909		113		(650		)	27,372
Corporate	9,745		84		(129		)	9,700
Total debt securities	66,158		239		(1,244		)	65,153
Mutual funds	403		—		—			403
Total	$	66,561	$	239	$	(1,244	)	$	65,556
Held-to-maturity
U.S. Government-sponsored enterprises	$	999	$	—	$	—		$	999

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and estimated fair value of debt securities by contractual scheduled maturity as of June 30, 2017 were as follows:

	Amortized Cost		Fair Value
	(Dollars in thousands)
Available-for-sale
Due in one year or less	$	625	$	625
Due from one to five years	5,745		5,833
Due from five to ten years	23,770		23,842
Due after ten years	16,039		15,836
	46,179		46,136
Agency mortgage-backed	19,514		19,395
Total debt securities available-for-sale	$	65,693	$	65,531
Held-to-maturity
Due in one year or less	$	1,000	$	998
Total debt securities held-to-maturity	$	1,000	$	998

Schedule of Unrealized Loss on Investments [Table Text Block]

Information pertaining to all investment securities with gross unrealized losses as of the balance sheet dates, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows:

June 30, 2017	Less Than 12 Months						12 Months and over						Total
	Number of Securities	Fair Value		Gross Unrealized Losses			Number of Securities	Fair Value		Gross Unrealized Losses			Number of Securities	Fair Value		Gross Unrealized Losses
		(Dollars in thousands)
Debt securities:
U.S. Government-   sponsored enterprises	11	$	6,812	$	(132	)	5	$	1,937	$	(17	)	16	$	8,749	$	(149	)
Agency mortgage-backed	21	13,748		(155		)	1	302		(4		)	22	14,050		(159		)
State and political   subdivisions	25	11,150		(244		)	1	457		(10		)	26	11,607		(254		)
Corporate	3	1,386		(23		)	3	1,469		(29		)	6	2,855		(52		)
Total	60	$	33,096	$	(554	)	10	$	4,165	$	(60	)	70	$	37,261	$	(614	)

December 31, 2016	Less Than 12 Months						12 Months and over						Total
	Number of Securities	Fair Value		Gross Unrealized Losses			Number of Securities	Fair Value		Gross Unrealized Losses			Number of Securities	Fair Value		Gross Unrealized Losses
		(Dollars in thousands)
Debt securities:
U.S. Government-   sponsored enterprises	13	$	8,351	$	(180	)	3	$	1,172	$	(16	)	16	$	9,523	$	(196	)
Agency mortgage-backed	22	15,141		(261		)	1	344		(8		)	23	15,485		(269		)
State and political   subdivisions	40	16,481		(650		)	—	—		—			40	16,481		(650		)
Corporate	8	3,973		(56		)	4	1,627		(73		)	12	5,600		(129		)
Total	83	$	43,946	$	(1,147	)	8	$	3,143	$	(97	)	91	$	47,089	$	(1,244	)

Realized Gain (Loss) on Investments [Table Text Block]

The following table presents the proceeds, gross realized gains and gross realized losses from the sale of AFS securities:

	For The Three and Six Months Ended June 30, (1)
	2017			2016
	(Dollars in thousands)
Proceeds	$	1,445		$	2,673
Gross gains	32			19
Gross losses	(23		)	(1		)
Net gains on sales of investment securities AFS	$	9		$	18

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(1) There were no sales of AFS securities during the first quarter of 2017 or 2016.