Securities (Tables)

3 Months Ended

Mar. 31, 2021

Securities

Summary of available for sale debt securities

	March 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	54,900	$	105	$	(1,324)	$	53,681
Mortgage-backed securities		148,307		2,769		(558)		150,518
Obligations of states and political subdivisions		101,601		1,923		(370)		103,154
Corporate and other debt securities		13,915		79		(62)		13,932
	$	318,723	$	4,876	$	(2,314)	$	321,285

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	48,171	$	121	$	(10)	$	48,282
Mortgage-backed securities		120,664		3,165		(115)		123,714
Obligations of states and political subdivisions		100,405		2,436		(36)		102,805
Corporate and other debt securities		11,584		47		(43)		11,588
	$	280,824	$	5,769	$	(204)	$	286,389

Schedule of amortized cost and estimated fair value of securities, by the earlier of contractual maturity or expected maturity

	March 31, 2021
	Amortized
(Dollars in thousands)	Cost		Fair Value
Due in one year or less	$	63,112	$	62,695
Due after one year through five years		171,500		175,068
Due after five years through ten years		75,592		75,334
Due after ten years		8,519		8,188
	$	318,723	$	321,285

Schedule of gross realized gains and losses and the proceeds

	Three Months Ended March 31,
(Dollars in thousands)	2021		2020
Realized gains from sales, maturities and calls of securities:
Gross realized gains	$	32	$	4
Gross realized losses		—		—
Net realized gains	$	32	$	4
Proceeds from sales, maturities, calls and paydowns of securities	$	33,712	$	39,063

Schedule of securities in an unrealized loss position

Securities in an unrealized loss position at March 31, 2021, 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	$	42,067	$	1,324	$	—	$	—	$	42,067	$	1,324
Mortgage-backed securities		48,067		558		—		—		48,067		558
Obligations of states and political subdivisions		21,881		370		—		—		21,881		370
Corporate and other debt securities		6,258		62		—		—		6,258		62
Total temporarily impaired securities	$	118,273	$	2,314	$	—	$	—	$	118,273	$	2,314

Securities in an unrealized loss position at December 31, 2020, 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	$	12,719	$	10	$	—	$	—	$	12,719	$	10
Mortgage-backed securities		15,691		115		—		—		15,691		115
Obligations of states and political subdivisions		5,110		36		—		—		5,110		36
Corporate and other debt securities		4,271		43		—		—		4,271		43
Total temporarily impaired securities	$	37,791	$	204	$	—	$	—	$	37,791	$	204