Note 2 - Securities - Securities with Unrealized and Unrecognized Losses (Details) - USD ($) $ in Thousands |
Jun. 30, 2017 |
Jun. 30, 2016 |
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
$ 71,456
|
$ 12,160
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
(867)
|
(37)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
67,163
|
5,471
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
(795)
|
(18)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
4,293
|
6,689
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
(72)
|
(19)
|
| US Government-sponsored Enterprises Debt Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
4,336
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
(74)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
4,336
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
(74)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
|
|
| US States and Political Subdivisions Debt Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
14,715
|
1,213
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
(254)
|
(8)
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
933
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Unrealized Loss |
(3)
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, More than Twelve Months, Fair Value |
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, More than Twelve Months, Unrealized Loss |
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value |
933
|
|
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Unrealized Loss |
(3)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
13,881
|
572
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
(241)
|
(6)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
834
|
641
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
(13)
|
(2)
|
| Residential Mortgage Backed Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
44,876
|
9,735
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
(438)
|
(26)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
42,071
|
4,899
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
(391)
|
(12)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
2,805
|
4,836
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
(47)
|
(14)
|
| Collateralized Debt Obligations [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
|
1,212
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
|
(3)
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
1,212
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
|
$ (3)
|
| Commercial Mortgage Backed Securities [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
1,458
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
(1)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
1,458
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
(1)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
|
|
| Collateralized Mortgage Obligations [Member] |
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |
6,071
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |
(100)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
5,417
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss |
(88)
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
654
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |
$ (12)
|
|