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Securities (Schedule of Investment Securities That Have Been in a Continuous Unrealized-Loss Position) (Detail) (USD $)
In Thousands, unless otherwise specified
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Sep. 30, 2012
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Jun. 30, 2012
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| Schedule of Available for sale Securities and Held to maturity Securities [Line Items] |
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| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, estimated market value |
$ 3,390 |
$ 6,025 |
| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, gross unrealized losses |
43 |
32 |
| Available for sale securities that have been in a continuous unrealized loss position for 12 months or more, estimated market value |
3,159 |
2,795 |
| Available for sale securities that have been in a continuous unrealized loss position for less 12 months or more, gross unrealized losses |
127 |
222 |
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U.S. Government and Agency Obligations [Member]
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| Schedule of Available for sale Securities and Held to maturity Securities [Line Items] |
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| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, estimated market value |
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1,751 |
| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, gross unrealized losses |
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8 |
| Available for sale securities that have been in a continuous unrealized loss position for 12 months or more, estimated market value |
188 |
341 |
| Available for sale securities that have been in a continuous unrealized loss position for less 12 months or more, gross unrealized losses |
1 |
2 |
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Corporate Obligations [Member]
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| Schedule of Available for sale Securities and Held to maturity Securities [Line Items] |
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| Available for sale securities that have been in a continuous unrealized loss position for 12 months or more, estimated market value |
947 |
884 |
| Available for sale securities that have been in a continuous unrealized loss position for less 12 months or more, gross unrealized losses |
14 |
74 |
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Municipal Obligations [Member]
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| Schedule of Available for sale Securities and Held to maturity Securities [Line Items] |
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| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, estimated market value |
1,976 |
1,760 |
| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, gross unrealized losses |
11 |
2 |
| Available for sale securities that have been in a continuous unrealized loss position for 12 months or more, estimated market value |
1,013 |
1,402 |
| Available for sale securities that have been in a continuous unrealized loss position for less 12 months or more, gross unrealized losses |
74 |
105 |
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CMOs - Private Label [Member]
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| Schedule of Available for sale Securities and Held to maturity Securities [Line Items] |
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| Available for sale securities that have been in a continuous unrealized loss position for 12 months or more, estimated market value |
174 |
168 |
| Available for sale securities that have been in a continuous unrealized loss position for less 12 months or more, gross unrealized losses |
26 |
41 |
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Mortgage Backed and CMOs [Member]
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| Schedule of Available for sale Securities and Held to maturity Securities [Line Items] |
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| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, estimated market value |
1,414 |
2,514 |
| Available for sale securities that have been in a continuous unrealized loss position for less than 12 months, gross unrealized losses |
32 |
22 |
| Available for sale securities that have been in a continuous unrealized loss position for 12 months or more, estimated market value |
837 |
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| Available for sale securities that have been in a continuous unrealized loss position for less 12 months or more, gross unrealized losses |
$ 12 |
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