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Investments (Details 2) - USD ($) $ in Thousands | Jul. 01, 2017 | Apr. 01, 2017
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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)

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