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Securities (Tables)

12 Months Ended

Dec. 31, 2018

Investments debt and equity securities [Abstract]

Available-for-sale Securities [Table Text Block]

			1 year	1 to 5	5 to 10	After 10	Fair		Gross Unrealized			Amortized
(Dollars in thousands)			or less	years	years	years	Value		Gains	Losses		Cost
December 31, 2018
Agency obligations (a)		$	14,437	19,865	16,869	—	51,171		25	1,200		$	52,346
Agency RMBS (a)			—	—	8,368	110,230	118,598		65	3,738			122,271
State and political subdivisions			—	3,682	7,726	58,624	70,032		518	692			70,206
	Total available-for-sale	$	14,437	23,547	32,963	168,854	239,801		608	5,630		$	244,823
December 31, 2017
Agency obligations (a)		$	—	29,253	23,809	—	53,062		79	904		$	53,887
Agency RMBS (a)			—	—	11,201	121,871	133,072		330	1,639		$	134,381
State and political subdivisions			—	2,564	9,999	59,000	71,563		1,616	237		$	70,184
	Total available-for-sale	$	—	31,817	45,009	180,871	257,697		2,025	2,780		$	258,452
(a) Includes securities issued by U.S. government agencies or government sponsored entities.

Available-for-sale Securities, Continuous Unrealized Loss Position [Table Text Block]

				Less than 12 Months						12 Months or Longer						Total
				Fair			Unrealized			Fair			Unrealized			Fair			Unrealized
(Dollars in thousands)				Value			Losses			Value			Losses			Value			Losses
December 31, 2018:
Agency obligations			$	4,724			28			44,307			1,172			49,031		$	1,200
Agency RMBS				12,325			238			99,184			3,500			111,509			3,738
State and political subdivisions				14,840			181			14,384			511			29,224			692
		Total	$	31,889			447			157,875			5,183			189,764		$	5,630

December 31, 2017:
Agency obligations			$	14,381			99			20,353			805			34,734		$	904
Agency RMBS				53,440			363			50,729			1,276			104,169			1,639
State and political subdivisions				2,009			22			10,155			215			12,164			237
		Total	$	69,830			484			81,237			2,296			151,067		$	2,780

Schedule of Realized Gain (Loss) [Table Text Block]

Realized Gains and Losses
The following table presents the gross realized gains and losses on sales related to securities.
				Year ended December 31
(Dollars in thousands)				2018			2017
Gross realized gains			$	—			51
	Realized gains, net		$	—			51

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Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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- Definition

Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

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