Reinsurance and Insurance Loss Reserves (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 30, 2023	Dec. 31, 2022	Dec. 30, 2023	Dec. 31, 2022
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 11,135	$ 7,454	$ 31,581	$ 22,350
Assumed premiums - nonaffiliate Written	8,430	7,709	27,735	25,555
Ceded premiums - nonaffiliate Written	(6,406)	(4,413)	(18,971)	(13,056)
Net premiums Written	13,159	10,750	40,345	34,849
Direct premiums Earned	10,693	7,529	28,740	21,917
Assumed premiums - nonaffiliate Earned	8,459	8,358	25,880	24,526
Ceded premiums - nonaffiliate Earned	(6,406)	(4,413)	(18,971)	(13,056)
Premiums Earned, Net	$ 12,746	$ 11,474	$ 35,649	$ 33,387

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