Reinsurance (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 20,060	$ 17,883
Assumed premiums - nonaffiliate Written	27,359	25,479
Ceded premiums - nonaffiliate Written	(12,598)	(12,526)
Net premiums Written	34,821	30,836
Direct premiums Earned	18,912	17,097
Assumed premiums - nonaffiliate Earned	26,370	25,284
Ceded premiums - nonaffiliate Earned	(12,598)	(12,526)
Net premiums Earned	$ 32,684	$ 29,855