Investments (Tables)

12 Months Ended

Dec. 31, 2021

Investments Debt And Equity Securities [Abstract]

Schedule of Available-for-sale Securities

The cost or amortized cost, gross unrealized gain or loss, and estimated fair value of the investments in securities classified as available-for-sale at December 31, 2021 and 2020 were as follows (dollars in thousands):

	December 31, 2021
	Cost or		Gross Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Value
Debt securities:
U.S. Government	$	20,723	$	74	$	(77	)	$	20,720
State and local government		30,063		555		(189	)		30,429
Corporate debt		30,808		88		(550	)		30,346
Asset-backed securities		28,652		10		(224	)		28,438
Mortgage-backed securities		33,178		105		(762	)		32,521
Commercial mortgage-backed securities		1,659		31		—			1,690
Collateralized mortgage obligations		5,649		35		(45	)		5,639
Total debt securities available for sale	$	150,732	$	898	$	(1,847	)	$	149,783

	December 31, 2020
	Cost or		Gross Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Value
Debt securities:
U.S. Government	$	30,743	$	225	$	(1	)	$	30,967
State and local government		32,253		1,040		(28	)		33,265
Corporate debt		19,015		311		(23	)		19,303
Asset-backed securities		20,987		49		(73	)		20,963
Mortgage-backed securities		38,512		345		(3	)		38,854
Commercial mortgage-backed securities		2,083		65		(22	)		2,126
Collateralized mortgage obligations		6,361		161		(1	)		6,521
Total debt securities available for sale	$	149,954	$	2,196	$	(151	)	$	151,999

Schedule Of Unrealized Loss On Investments

The following table summarizes the aggregate fair value and gross unrealized losses, by security type, of the available-for-sale securities in unrealized loss positions. The table segregates the holdings based on the length of time that individual securities have been in a continuous unrealized loss position (dollars in thousands):

	December 31, 2021
	Less than 12 months							12 months or More							Total
	No. of Issues		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses			No. of Issues		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses			No. of Issues		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
Debt securities:
U.S. Government		6	$	10,323	$	(47	)		1	$	4,728	$	(30	)		7	$	15,051	$	(77	)
State and local government		41		8,875		(172	)		4		446		(17	)		45		9,321		(189	)
Corporate debt		41		22,748		(505	)		1		705		(45	)		42		23,453		(550	)
Asset-backed securities		24		24,305		(219	)		2		1,893		(5	)		26		26,198		(224	)
Mortgage-backed securities		12		27,034		(762	)		-		-		-			12		27,034		(762	)
Commercial mortgage   -backed securities		-		-		-			-		-		-			-		-		-
Collateralized mortgage   obligations		10		2,638		(45	)		2		29		-			12		2,667		(45	)
Total debt securities   available for sale		134		95,923		(1,750	)		10		7,801		(97	)		144		103,724		(1,847	)

	December 31, 2020
	Less than 12 months							12 months or More							Total
	No. of Issues		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses			No. of Issues		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses			No. of Issues		Fair Value of Investments with Unrealized Losses		Gross Unrealized Losses
Debt securities:
U.S. Government		2	$	6,764	$	(1	)		—	$	—	$	—			2	$	6,764	$	(1	)
State and local government		16		3,905		(28	)		—		—		—			16		3,905		(28	)
Corporate debt		2		1,051		(23	)		—		—		—			2		1,051		(23	)
Asset-backed securities		7		6,050		(34	)		11		6,551		(39	)		18		12,601		(73	)
Mortgage-backed securities		2		1,652		(3	)		—		—		—			2		1,652		(3	)
Commercial mortgage   -backed securities		1		899		(22	)		—		—		—			1		899		(22	)
Collateralized mortgage   obligations		2		195		(1	)		—		—		—			2		195		(1	)
Total debt securities   available for sale		32	$	20,516	$	(112	)		11	$	6,551	$	(39	)		43	$	27,067	$	(151	)

Schedule of Investment Income

The Company’s sources of net investment income are as follows (dollars in thousands):

	December 31,
	2021			2020			2019
Debt securities	$	2,217		$	3,213		$	3,476
Equity securities		194			220			352
Cash, cash equivalents, and short-term investments		2			138			487
Total investment income		2,413			3,571			4,315
Investment expenses		(445	)		(415	)		(284	)
Net investment income	$	1,968		$	3,156		$	4,031

Schedule of Gross Realized Gains and Losses on Securities

The following table summarizes the gross realized gains and losses from sales or maturities of available-for-sale debt securities and equity securities, as follows (dollars in thousands):

	December 31,
	2021			2020			2019
Debt securities:
Gross realized gains	$	63		$	4,646		$	269
Gross realized losses		(6	)		(8	)		(54	)
Total debt securities		57			4,638			215
Equity securities:
Gross realized gains		4,605			4,854			1,020
Gross realized losses		(1,784	)		(1,366	)		(39	)
Total equity securities		2,821			3,488			981
Total net realized investment gains	$	2,878		$	8,126		$	1,196

Summary of Amortized Cost and Fair Value of Securities

The table below summarizes the amortized cost and fair value of available-for-sale debt securities by contractual maturity at December 31, 2021.  Actual maturities may differ from contractual maturities because certain borrowers have the right to call or prepay obligations with or without call or prepayment penalties (dollars in thousands):

	Amortized Cost		Estimated Fair Value
Due in one year or less	$	13,029	$	13,046
Due after one year through five years		28,582		28,622
Due after five years through ten years		22,984		22,727
Due after ten years		16,999		17,100
Securities with contractual maturities		81,594		81,495
Asset-backed securities		28,652		28,438
Mortgage-backed securities		33,178		32,521
Commercial mortgage-backed securities		1,659		1,690
Collateralized mortgage obligations		5,649		5,639
Total debt securities	$	150,732	$	149,783