Investment Securities (Tables)

3 Months Ended

Mar. 31, 2020

Investment Securities

Schedule of amortized cost of investment securities to estimated fair values

	March 31, 2020
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
U.S. Treasury and agencies	$	16,538	$	93	$	(4)	$	16,627
Obligations of state and political agencies		67,921		1,212		(27)		69,106
Mortgage backed securities
Residential agency		221,844		7,483		(18)		229,309
Commercial		29,128		899		(117)		29,910
Asset backed securities		134		7		—		141
Corporate bonds		9,039		18		(1)		9,056
Total available-for-sale investment securities	$	344,604	$	9,712	$	(167)	$	354,149

	December 31, 2019
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
U.S. Treasury and agencies	$	21,246	$	9	$	(15)	$	21,240
Obligations of state and political agencies		68,162		647		(161)		68,648
Mortgage backed securities
Residential agency		180,411		2,258		(131)		182,538
Commercial		30,752		101		(168)		30,685
Asset backed securities		139		5		—		144
Corporate bonds		7,054		41		—		7,095
Total available-for-sale investment securities	$	307,764	$	3,061	$	(475)	$	310,350

Schedule of investment securities with gross unrealized losses

	March 31, 2020
	Less than 12 Months				Over 12 Months				Total
	Unrealized		Fair		Unrealized		Fair		Unrealized		Fair
(dollars in thousands)	Losses		Value		Losses		Value		Losses		Value
U.S. Treasury and agencies	$	(4)	$	1,342	$	—	$	—	$	(4)	$	1,342
Obligations of state and political agencies		(27)		12,420		—		—		(27)		12,420
Mortgage backed securities
Residential agency		(5)		2,664		(13)		1,691		(18)		4,355
Commercial		—		—		(117)		6,932		(117)		6,932
Asset backed securities		—		2		—		—		—		2
Corporate bonds		(1)		2,009		—		—		(1)		2,009
Total available-for-sale investment securities	$	(37)	$	18,437	$	(130)	$	8,623	$	(167)	$	27,060

	December 31, 2019
	Less than 12 Months				Over 12 Months				Total
	Unrealized		Fair		Unrealized		Fair		Unrealized		Fair
(dollars in thousands)	Losses		Value		Losses		Value		Losses		Value
U.S. Treasury and agencies	$	(5)	$	1,740	$	(10)	$	9,990	$	(15)	$	11,730
Obligations of state and political agencies		(140)		11,959		(21)		5,798		(161)		17,757
Mortgage backed securities
Residential agency		(52)		17,131		(79)		14,036		(131)		31,167
Commercial		(116)		15,235		(52)		6,195		(168)		21,430
Asset backed securities		—		2		—		—		—		2
Corporate bonds		—		—		—		—		—		—
Total available-for-sale investment securities	$	(313)	$	46,067	$	(162)	$	36,019	$	(475)	$	82,086

Schedule of contractual maturity of amortized cost and estimated fair value

	Amortized		Fair
(dollars in thousands)	Cost		Value
Due within one year or less	$	16,054	$	16,149
Due after one year through five years		25,745		25,934
Due after five years through ten years		78,317		80,298
Due after 10 years		224,488		231,768
Total available-for-sale investment securities	$	344,604	$	354,149

Schedule of proceeds from the sale of available for sale securities

	Three months ended
	March 31,
(dollars in thousands)	2020		2019
Proceeds	$	4,000	$	4,763
Realized gains		—		119
Realized losses		—		6

Schedule of federal home loan bank

	March 31,		December 31,
(dollars in thousands)	2020		2019
Federal Reserve	$	2,675	$	2,675
FHLB		3,284		3,080