Investment Securities (Tables)

6 Months Ended

Jun. 30, 2020

Investment Securities

Schedule of amortized cost of investment securities to estimated fair values

	June 30, 2020
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
U.S. Treasury and agencies	$	16,202	$	66	$	(16)	$	16,252
Obligations of state and political agencies		110,676		3,477		—		114,153
Mortgage backed securities
Residential agency		206,146		8,595		(34)		214,707
Commercial		27,007		940		(21)		27,926
Asset backed securities		127		8		—		135
Corporate bonds		20,524		79		(49)		20,554
Total available-for-sale investment securities	$	380,682	$	13,165	$	(120)	$	393,727

	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

	June 30, 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	$	(8)	$	4,803	$	(8)	$	1,324	$	(16)	$	6,127
Obligations of state and political agencies		—		—		—		—		—		—
Mortgage backed securities
Residential agency		(34)		11,903		—		—		(34)		11,903
Commercial		—		—		(21)		6,640		(21)		6,640
Asset backed securities		—		—		—		2		—		2
Corporate bonds		(49)		9,451		—		—		(49)		9,451
Total available-for-sale investment securities	$	(91)	$	26,157	$	(29)	$	7,966	$	(120)	$	34,123

	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	$	18,105	$	18,235
Due after one year through five years		26,685		27,323
Due after five years through ten years		114,717		118,244
Due after 10 years		221,175		229,925
Total available-for-sale investment securities	$	380,682	$	393,727

Schedule of proceeds from the sale of available for sale securities

	Three months ended				Six months ended
	June 30,				June 30,
(dollars in thousands)	2020		2019		2020		2019
Proceeds	$	35,505	$	16,868	$	39,505	$	21,631
Realized gains		1,294		179		1,294		298
Realized losses		—		(5)		—		(11)

Schedule of federal home loan bank

	June 30,		December 31,
(dollars in thousands)	2020		2019
Federal Reserve	$	2,675	$	2,675
FHLB		3,236		3,080