Note 2 - Investments (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

			Gross		Gross			Allowance
	Amortized		Unrealized		Unrealized			for			Fair
September 30, 2024	Cost or Cost		Gains		Losses			Credit Losses			Value
	(in thousands)
Fixed maturities:
U.S. Governments	$	32,839	$	16	$	(660	)	$	—		$	32,195
U.S. States, Territories, and Political Subdivisions		10,615		105		(678	)		—			10,042
Special revenue excluding mortgage/asset-backed securities		30,755		189		(2,884	)		—			28,060
Corporate and other		467,290		6,776		(11,080	)		(904	)		462,082
Mortgage/asset-backed securities		355,276		3,604		(8,279	)		—			350,601
Total available-for-sale investments	$	896,775	$	10,690	$	(23,581	)	$	(904	)	$	882,980

			Gross		Gross			Allowance
	Amortized		Unrealized		Unrealized			for			Fair
December 31, 2023	Cost or Cost		Gains		Losses			Credit Losses			Value
	(in thousands)
Fixed maturities:
U.S. Governments	$	40,836	$	—	$	(1,416	)	$	—		$	39,420
U.S. States, Territories, and Political Subdivisions		10,641		100		(839	)		—			9,902
Special revenue excluding mortgage/asset-backed securities		32,513		147		(3,149	)		—			29,511
Corporate and other		316,590		1,750		(17,197	)		(904	)		300,239
Mortgage/asset-backed securities		274,550		1,879		(11,702	)		—			264,727
Total available-for-sale investments	$	675,130	$	3,876	$	(34,303	)	$	(904	)	$	643,799

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

	Less Than 12 Months					More Than 12 Months					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
September 30, 2024	Value		Losses			Value		Losses			Value		Losses
	(in thousands)
Fixed maturity securities:
U.S. Governments	$	16,037	$	(27	)	$	15,122	$	(633	)	$	31,159	$	(660	)
U.S. States, Territories, and Political Subdivisions		508		(8	)		6,353		(670	)		6,861		(678	)
Special revenue excluding mortgage/asset-backed securities		2,006		(282	)		23,232		(2,602	)		25,238		(2,884	)
Corporate and other		19,821		(243	)		182,025		(10,837	)		201,846		(11,080	)
Mortgage/asset-backed securities		24,195		(917	)		98,170		(7,362	)		122,365		(8,279	)
Total available-for-sale investments	$	62,567	$	(1,477	)	$	324,902	$	(22,104	)	$	387,469	$	(23,581	)

	Less Than 12 Months					More Than 12 Months					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
December 31, 2023	Value		Losses			Value		Losses			Value		Losses
	(in thousands)
Fixed maturity securities:
U.S. Governments	$	738	$	(1	)	$	38,063	$	(1,415	)	$	38,801	$	(1,416	)
U.S. States, Territories, and Political Subdivisions		—		—			6,196		(839	)		6,196		(839	)
Special revenue excluding mortgage/asset-backed securities		—		—			26,736		(3,149	)		26,736		(3,149	)
Corporate and other		28,872		(480	)		204,034		(16,717	)		232,906		(17,197	)
Mortgage/asset-backed securities		29,334		(245	)		117,016		(11,457	)		146,350		(11,702	)
Total available-for-sale investments	$	58,944	$	(726	)	$	392,045	$	(33,577	)	$	450,989	$	(34,303	)

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized		Fair
	Cost		Value
	(in thousands)
Due within one year	$	80,152	$	78,731
Due after one year through five years		183,202		180,227
Due after five years through ten years		176,607		172,654
Due after ten years		101,538		100,767
Mortgage and asset-backed securities		355,276		350,601
	$	896,775	$	882,980

Investment Income [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2024			2023			2024			2023
	(in thousands)						(in thousands)
Interest income	$	9,365		$	5,952		$	24,317		$	16,468
Dividend income		220			211			675			602
Investment expense		(177	)		(134	)		(486	)		(380	)
Net investment income	$	9,408		$	6,029		$	24,506		$	16,690

Gain (Loss) on Securities [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2024			2023			2024			2023
	(in thousands)						(in thousands)
Realized gains:
Gains on sales of fixed maturity securities	$	42		$	—		$	59		$	65
Total realized gains		42			—			59			65
Realized losses:
Losses on sales of fixed maturity securities		(328	)		—			(330	)		(32	)
Losses on sales of equity securities		—			—			(1,204	)		—
Total realized losses		(328	)		—			(1,534	)		(32	)
Net realized investment (losses) gains		(286	)		—			(1,475	)		33
Change in allowance for credit losses		327			—			—			(667	)
Net unrealized gains (losses) on equity securities		2,434			(1,299	)		7,052			608
Net unrealized gains (losses) on equity method investment		148			(77	)		(118	)		(77	)
Net unrealized gains on other investments		111			—			309			—
Net realized and unrealized gains (losses) on investments	$	2,734		$	(1,376	)	$	5,768		$	(103	)