Securities Available-for-Sale (Tables)

9 Months Ended

Sep. 30, 2019

Investments, Debt and Equity Securities [Abstract]

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

The following table summarizes the amortized cost and fair value of securities available-for-sale at September 30, 2019 and December 31, 2018 and the corresponding amounts of gross unrealized gains and losses recognized in accumulated other comprehensive income (loss).

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
September 30, 2019	(dollars in thousands)
Securities available-for-sale
Federal agency obligations	$	23,712	$	824	$	(1	)	$	24,535
Residential mortgage pass-through securities		215,378		1,286		(859	)		215,805
Commercial mortgage pass-through securities		5,017		73		-			5,090
Obligations of U.S. states and political subdivisions		140,870		3,222		(436	)		143,656
Corporate bonds and notes		28,135		308		(193	)		28,250
Asset-backed securities		6,132		3		(41	)		6,094
Certificates of deposit		148		2		-			150
Other securities		2,269		-		-			2,269
Total securities available-for-sale	$	421,661	$	5,718	$	(1,530	)	$	425,849

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
December 31, 2018	(dollars in thousands)
Securities available-for-sale
Federal agency obligations	$	45,509	$	51	$	(605	)	$	44,955
Residential mortgage pass-through securities		189,721		85		(4,602	)		185,204
Commercial mortgage pass-through securities		3,919		-		(45	)		3,874
Obligations of U.S. states and political subdivisions		141,496		1,091		(3,402	)		139,185
Corporate bonds and notes		26,308		45		(540	)		25,813
Asset-backed securities		9,685		22		(16	)		9,691
Certificates of deposit		319		3		-			322
Other securities		2,990		-		-			2,990
Total securities available-for-sale	$	419,947	$	1,297	$	(9,210	)	$	412,034

Investments Classified by Contractual Maturity Date [Table Text Block]

The following table presents information for investments in securities available-for-sale at September 30, 2019, based on scheduled maturities. Actual maturities can be expected to differ from scheduled maturities due to prepayment or early call options of the issuer. Securities not due at a single maturity date are shown separately.

	September 30, 2019
	Amortized Cost		Fair Value
	(dollars in thousands)
Securities available-for-sale:
Due in one year or less	$	4,309	$	4,333
Due after one year through five years		28,344		28,503
Due after five years through ten years		24,060		24,757
Due after ten years		142,284		145,092
Residential mortgage pass-through securities		215,378		215,804
Commercial mortgage pass-through securities		5,017		5,091
Other securities		2,269		2,269
Total securities available-for-sale	$	421,661	$	425,849

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

Gross gains and losses from the sales of securities for periods presented were as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	(dollars in thousands)
	2019			2018		2019			2018
Proceeds	$	33,432		$	-	$	183,728		$	-
Gross gains on sales of securities		1			-		401			-
Gross losses on sales of securities		(280	)		-		(681	)		-
Net losses on sales of securities		(279	)		-		(280	)		-
Tax provision on net losses		62			-		62			-
Net losses on sales of securities, after tax	$	(217	)	$	-	$	(218	)	$	-

Schedule of Unrealized Loss on Investments [Table Text Block]

The following tables indicate gross unrealized losses not recognized in income and fair value, aggregated by investment category and the length of time individual securities have been in a continuous unrealized loss position at September 30, 2019 and December 31, 2018:

	September 30, 2019
	Total					Less than 12 Months					12 Months or Longer
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(dollars in thousands)
Investment Securities Available-for-Sale:
Federal agency obligation	$	95	$	(1	)	$	-	$	-		$	95	$	(1	)
Residential mortgage pass-through securities		110,586		(859	)		47,169		(210	)		63,417		(649	)
Obligations of U.S. states and political subdivisions		31,550		(436	)		4,054		-			27,496		(436	)
Corporate bonds and notes		5,286		(193	)		2,462		(38	)		2,824		(155	)
Asset-backed securities		5,316		(41	)		2,427		(7	)		2,889		(34	)
Total temporarily impaired securities	$	152,833	$	(1,530	)	$	56,112	$	(255	)	$	96,721	$	(1,275	)

	December 31, 2018
	Total					Less than 12 Months					12 Months or Longer
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
		(dollars in thousands)
Investment Securities Available-for-Sale:
Federal agency obligation	$	35,472	$	(605	)	$	810	$	(1	)	$	34,662	$	(604	)
Residential mortgage pass-through securities		178,365		(4,602	)		42,040		(393	)		136,325		(4,209	)
Commercial mortgage pass-through securities		3,874		(45	)		-		-			3,874		(45	)
Obligations of U.S. states and political subdivisions		64,367		(3,402	)		7,765		(21	)		56,602		(3,381	)
Corporate bonds and notes		15,534		(540	)		7,767		(133	)		7,767		(407	)
Asset-backed securities		3,957		(16	)		2,219		(11	)		1,738		(5	)
Total Temporarily Impaired Securities	$	301,569	$	(9,210	)	$	60,601	$	(559	)	$	240,968	$	(8,651	)