Reinsurance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 4,654	$ 4,190	$ 13,866	$ 12,551
Assumed premiums - nonaffiliate Written	5,918	5,860	20,191	19,074
Ceded premiums - nonaffiliate Written	(3,071)	(3,475)	(9,087)	(9,457)
Net premiums Written	7,501	6,575	24,970	22,168
Direct premiums Earned	4,756	4,304	13,979	12,764
Assumed premiums - nonaffiliate Earned	6,676	6,385	19,703	18,969
Ceded premiums - nonaffiliate Earned	(3,071)	(3,475)	(9,087)	(9,457)
Premiums Earned, Net	$ 8,361	$ 7,214	$ 24,595	$ 22,276