Investments (Details 2) - USD ($) $ in Thousands	Oct. 01, 2016	Apr. 02, 2016
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	$ 3,729	$ 2,630
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	5,615	7,844
12 Months or Longer, Fair Value	2,836	3,006
Total Fair Value	8,451	10,850
Less than 12 Months, Unrealized Losses	152	386
12 Months or Longer, Unrealized Losses	164	144
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(316)	(530)
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		0
12 Months or Longer, Fair Value		699
Total Fair Value		699
Less than 12 Months, Unrealized Losses		0
12 Months or Longer, Unrealized Losses		3
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	(3)
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	15	13
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	2,999	3,436
12 Months or Longer, Fair Value	661	898
Total Fair Value	3,660	4,334
Less than 12 Months, Unrealized Losses	15	27
12 Months or Longer, Unrealized Losses	32	33
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(47)	(60)
States and political subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	257	239
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,340	1,865
12 Months or Longer, Fair Value	1,966	1,257
Total Fair Value	3,306	3,122
Less than 12 Months, Unrealized Losses	21	29
12 Months or Longer, Unrealized Losses	54	20
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(75)	(49)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	6	4
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	246	763
12 Months or Longer, Fair Value	0	0
Total Fair Value	246	763
Less than 12 Months, Unrealized Losses	3	6
12 Months or Longer, Unrealized Losses	0	0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(3)	(6)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3,451	2,374
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,030	1,780
12 Months or Longer, Fair Value	209	152
Total Fair Value	1,239	1,932
Less than 12 Months, Unrealized Losses	113	324
12 Months or Longer, Unrealized Losses	78	88
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	$ (191)	$ (412)