Investment Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investment Securities

Schedule of summary of investment securities

	At December 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
Collaterized mortgage obligations	$	21,730	$	169	$	(211)	$	21,688
Agency mortgage-backed securities		56,252		356		(419)		56,189
Municipal securities		44,594		811		(180)		45,225
U.S. Government agency securities		32,616		4		(1,269)		31,351
Corporate securities		1,500		—		(26)		1,474
Total securities available for sale	$	156,692	$	1,340	$	(2,105)	$	155,927

	At December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(dollars in thousands)	Cost		Gains		Losses		Value
Collaterized mortgage obligations	$	24,261	$	396	$	(14)	$	24,643
Agency mortgage-backed securities		26,072		886		(10)		26,948
Municipal securities		28,675		740		(2)		29,413
U.S. Government agency securities		33,346		9		(310)		33,045
Total securities available for sale	$	112,354	$	2,031	$	(336)	$	114,049

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

	At December 31, 2021
	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	$	7,917	$	(194)	$	876	$	(17)	$	8,793	$	(211)
Agency mortgage-backed securities		42,109		(414)		197		(5)		42,306		(419)
Municipal securities		18,603		(180)		—		—		18,603		(180)
U.S. Government agency securities		13,976		(420)		15,942		(849)		29,918		(1,269)
Corporate securities		1,474		(26)		—		—		1,474		(26)
	$	84,079	$	(1,234)	$	17,015	$	(871)	$	101,094	$	(2,105)

	At December 31, 2020
	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	$	201	$	—	$	1,188	$	(14)	$	1,389	$	(14)
Agency mortgage-backed securities		—		—		566		(10)		566		(10)
Municipal securities		851		(2)		—		—		851		(2)
U.S. Government agency securities		24,160		(308)		481		(2)		24,641		(310)
	$	25,212	$	(310)	$	2,235	$	(26)	$	27,447	$	(336)

Schedule of contractual maturities of investment securities

	At December 31, 2021
	Amortized		Fair
(dollars in thousands)	Cost		Value
Due within one year	$	—	$	—
Due over one to five years		3,448		3,507
Due over five to ten years		11,015		10,902
Due over ten years		62,747		62,167
Collaterized mortgage obligations		23,230		23,162
Agency mortgage-backed securities		56,252		56,189
Total securities available for sale	$	156,692	$	155,927