Note 6 - Reinsurance (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Effects of Reinsurance [Table Text Block]

	2023			2022
WRITTEN
Direct	$	92,990,535		$	82,726,634
Reinsurance assumed		162,368			157,268
Reinsurance ceded		(10,510,588	)		(9,492,472	)
Net	$	82,642,315		$	73,391,430
EARNED
Direct	$	86,260,082		$	78,411,890
Reinsurance assumed		160,365			157,097
Reinsurance ceded		(10,703,339	)		(9,511,644	)
Net	$	75,717,108		$	69,057,343
LOSS AND SETTLEMENT EXPENSES INCURRED
Direct	$	52,727,899		$	50,290,695
Reinsurance assumed		102,365			94,482
Reinsurance ceded		(4,900,634	)		(5,852,448	)
Net	$	47,929,630		$	44,532,729

Ceded Credit Risk [Table Text Block]

		Net Reinsurer		Percent			Ceded		Percent
	A.M. Best	Exposure as of		of			Premiums		of
(In thousands)	Rating	December 31, 2023		Total			Written		Total
General Reinsurance Corporation	A++	$	11,509		74.8	%	$	7,295		69.4	%
Renaissance Reinsurance U.S. Incorporated	A+		750		4.9	%		711		6.8	%
Hannover Rueck SE	A+		467		3.0	%		427		4.1	%
Partner Reinsurance Co. of the U.S.	A+		447		2.9	%		—		0.0	%
Aspen Insurance UK Ltd.	A		336		2.2	%		—		0.0	%
Swiss Reinsurance	A+		288		1.9	%		78		0.7	%
Houston Casualty Company	A++		250		1.6	%		310		2.9	%
Axis Reinsurance Company	A		210		1.4	%		—		0.0	%
Everest Reinsurance Company	A+		179		1.2	%		—		0.1	%
Lloyd's Syndicate Number 2791	A		135		0.9	%		455		4.3	%
All other reinsurers including anticipated subrogation			812		5.3	%		1,235		11.7	%
		$	15,383		100.0	%	$	10,511		100.0	%