Investments (Details 2) - USD ($) $ in Thousands	Dec. 30, 2017	Apr. 01, 2017
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	$ 4,092	$ 2,582
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	8,297	8,563
12 Months or Longer, Fair Value	6,645	4,203
Total Fair Value	14,942	12,766
Less than 12 Months, Unrealized Losses	(157)	(188)
12 Months or Longer, Unrealized Losses	(229)	(173)
Gross Unrealized Losses	(386)	(361)
Available-for-sale Securities	30,487	24,162
U.S. Treasury and Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0	0
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	296	349
12 Months or Longer, Fair Value	0	0
Total Fair Value	296	349
Less than 12 Months, Unrealized Losses	(4)	(1)
12 Months or Longer, Unrealized Losses	0	0
Gross Unrealized Losses	(4)	(1)
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1	3
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	3,308	3,449
12 Months or Longer, Fair Value	3,860	1,962
Total Fair Value	7,168	5,411
Less than 12 Months, Unrealized Losses	(32)	(38)
12 Months or Longer, Unrealized Losses	(72)	(52)
Gross Unrealized Losses	(104)	(90)
States and political subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	142	145
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	2,649	1,948
12 Months or Longer, Fair Value	2,309	2,084
Total Fair Value	4,958	4,032
Less than 12 Months, Unrealized Losses	(22)	(36)
12 Months or Longer, Unrealized Losses	(120)	(81)
Gross Unrealized Losses	(142)	(117)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2	4
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,012	1,424
12 Months or Longer, Fair Value	372	0
Total Fair Value	1,384	1,424
Less than 12 Months, Unrealized Losses	(8)	(23)
12 Months or Longer, Unrealized Losses	(15)	0
Gross Unrealized Losses	(23)	(23)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3,947	2,430
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,032	1,393
12 Months or Longer, Fair Value	104	157
Total Fair Value	1,136	1,550
Less than 12 Months, Unrealized Losses	(91)	(90)
12 Months or Longer, Unrealized Losses	(22)	(40)
Gross Unrealized Losses	(113)	(130)
Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0	0
Investment Securities in a Continuous Unrealized Loss Position
Gross Unrealized Losses	0	0
Available-for-sale Securities	$ 2,762	$ 1,000