Reinsurance and Insurance Loss Reserves (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2022	Jan. 01, 2022
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 7,454	$ 6,380	$ 22,350	$ 19,529
Assumed premiums - nonaffiliate Written	7,709	7,023	25,555	23,837
Ceded premiums - nonaffiliate Written	(4,413)	(3,866)	(13,056)	(11,227)
Net premiums Written	10,750	9,537	34,849	32,139
Direct premiums Earned	7,529	6,557	21,917	18,876
Assumed premiums - nonaffiliate Earned	8,358	7,822	24,526	22,830
Ceded premiums - nonaffiliate Earned	(4,413)	(3,866)	(13,056)	(11,227)
Premiums Earned, Net	$ 11,474	$ 10,513	$ 33,387	$ 30,479