Securities (Tables)

3 Months Ended

Mar. 31, 2019

Securities

Summary of available for sale securities

	March 31, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	17,650	$	—	$	(256)	$	17,394
Mortgage-backed securities		101,159		279		(848)		100,590
Obligations of states and political subdivisions		90,116		1,005		(98)		91,023
	$	208,925	$	1,284	$	(1,202)	$	209,007

	December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	18,008	$	1	$	(536)	$	17,473
Mortgage-backed securities		106,787		85		(1,889)		104,983
Obligations of states and political subdivisions		91,855		840		(241)		92,454
	$	216,650	$	926	$	(2,666)	$	214,910

Schedule of amortized cost and estimated fair value of securities, by contractual maturity date

	March 31, 2019
	Amortized
(Dollars in thousands)	Cost		Fair Value
Due in one year or less	$	47,052	$	47,097
Due after one year through five years		141,597		141,414
Due after five years through ten years		15,447		15,513
Due after ten years		4,829		4,983
	$	208,925	$	209,007

Schedule of gross realized gains and losses and the proceeds

	Three Months Ended March 31,
(Dollars in thousands)	2019		2018
Realized gains from maturities and calls of securities:
Gross realized gains	$	4	$	5
Gross realized losses		—		—
Net realized gains	$	4	$	5
Proceeds from maturities, calls and paydowns of securities	$	15,657	$	12,735

Schedule of securities in an unrealized loss position

Securities in an unrealized loss position at March 31, 2019, by duration of the period of the unrealized loss, are shown below.

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
U.S. government agencies and corporations	$	—	$	—	$	16,005	$	256	$	16,005	$	256
Mortgage-backed securities		1,754		1		67,941		847		69,695		848
Obligations of states and political subdivisions		1,899		1		18,062		97		19,961		98
Total temporarily impaired securities	$	3,653	$	2	$	102,008	$	1,200	$	105,661	$	1,202

Securities in an unrealized loss position at December 31, 2018, by duration of the period of the unrealized loss, are shown below.

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
U.S. government agencies and corporations	$	997	$	1	$	15,725	$	535	$	16,722	$	536
Mortgage-backed securities		17,934		132		72,830		1,757		90,764		1,889
Obligations of states and political subdivisions		9,492		29		20,555		212		30,047		241
Total temporarily impaired securities	$	28,423	$	162	$	109,110	$	2,504	$	137,533	$	2,666