Investment Securities (Tables)

12 Months Ended

Dec. 31, 2019

Investment Securities

Schedule of summary of investment securities

	At December 31, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
Collaterized mortgage obligations	$	27,618	$	52	$	(187)	$	27,483
Agency mortgage-backed securities		27,823		149		(135)		27,837
Municipal securities		12,301		191		(17)		12,475
U.S. Government agency securities		3,195		1		(5)		3,191
U.S. Treasury securities		500		—		—		500
Total securities available for sale	$	71,437	$	393	$	(344)	$	71,486

	At December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
Collaterized mortgage obligations	$	20,463	$	6	$	(663)	$	19,806
Agency mortgage-backed securities		25,895		6		(914)		24,987
Municipal securities		34,205		78		(453)		33,830
U.S. Government agency securities		1,999		—		(40)		1,959
U.S. Treasury securities		1,001		—		(11)		990
Total securities available for sale	$	83,563	$	90	$	(2,081)	$	81,572

Schedule of gross unrealized losses and fair value, aggregated by investment category and length of time in continuous unrealized loss position

The following tables show the fair value and gross unrealized losses associated with the investment portfolio, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 31, 2019 and 2018:

	At December 31, 2019
	Less than 12 months				12 months or more				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
Collaterized mortgage obligations	$	11,792	$	(65)	$	7,330	$	(122)	$	19,122	$	(187)
Agency mortgage-backed securities		4,577		(20)		10,918		(115)		15,495		(135)
Municipal securities		1,806		(7)		864		(10)		2,670		(17)
U.S. Government agency securities		591		(5)		—		—		591		(5)
U.S. Treasury securities		—		—		—		—		—		—
	$	18,766	$	(97)	$	19,112	$	(247)	$	37,878	$	(344)

	At December 31, 2018
	Less than 12 months				12 months or more				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
Collaterized mortgage obligations	$	1,625	$	(22)	$	17,546	$	(640)	$	19,171	$	(662)
Agency mortgage-backed securities		3,399		(74)		21,417		(840)		24,816		(914)
Municipal securities		13,162		(244)		8,415		(210)		21,577		(454)
U.S. Government agency securities		—		—		1,959		(40)		1,959		(40)
U.S. Treasury securities		—		—		990		(11)		990		(11)
	$	18,186	$	(340)	$	50,327	$	(1,741)	$	68,513	$	(2,081)

Schedule of contractual maturities of investment securities

	At December 31, 2019
	Amortized		Fair
(dollars in thousands)	Cost		Value
Due within one year	$	1,597	$	1,591
Due over one to five years		1,886		1,887
Due over five to ten years		1,917		1,932
Due over ten years		10,596		10,756
Collaterized mortgage obligations		27,618		27,483
Agency mortgage-backed securities		27,823		27,837
Total securities available for sale	$	71,437	$	71,486