Investments (Details 2) - USD ($) $ in Thousands	Jul. 01, 2017	Apr. 01, 2017
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	$ 1,638	$ 2,582
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	7,007	8,563
12 Months or Longer, Fair Value	4,491	4,203
Total Fair Value	11,498	12,766
Less than 12 Months, Unrealized Losses	(142)	(188)
12 Months or Longer, Unrealized Losses	(184)	(173)
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(326)	(361)
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	349	349
12 Months or Longer, Fair Value	0	0
Total Fair Value	349	349
Less than 12 Months, Unrealized Losses	(1)	(1)
12 Months or Longer, Unrealized Losses	0	0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(1)	(1)
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3	3
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	3,292	3,449
12 Months or Longer, Fair Value	2,320	1,962
Total Fair Value	5,612	5,411
Less than 12 Months, Unrealized Losses	(30)	(38)
12 Months or Longer, Unrealized Losses	(60)	(52)
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(90)	(90)
States and political subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	165	145
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,688	1,948
12 Months or Longer, Fair Value	2,077	2,084
Total Fair Value	3,765	4,032
Less than 12 Months, Unrealized Losses	(21)	(36)
12 Months or Longer, Unrealized Losses	(93)	(81)
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(114)	(117)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	7	4
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	884	1,424
12 Months or Longer, Fair Value	0	0
Total Fair Value	884	1,424
Less than 12 Months, Unrealized Losses	(9)	(23)
12 Months or Longer, Unrealized Losses	0	0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(9)	(23)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1,463	2,430
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	794	1,393
12 Months or Longer, Fair Value	94	157
Total Fair Value	888	1,550
Less than 12 Months, Unrealized Losses	(81)	(90)
12 Months or Longer, Unrealized Losses	(31)	(40)
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	$ (112)	$ (130)