|
Investment securities available for sale (Details) (USD $)
|
Sep. 30, 2012
|
Dec. 31, 2011
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
$ 29,348,000 |
$ 29,237,000 |
| Amortized cost |
33,487,000 |
30,018,000 |
| Gross unrealized gains |
66,000 |
221,000 |
| Gross unrealized losses |
(137,000) |
(76,000) |
| Estimated fair value |
33,416,000 |
30,163,000 |
| Average yield (in hundredths) |
2.46% |
1.65% |
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Securities in a loss position less than twelve months, fair value |
19,430,000 |
17,579,000 |
| Securities in a loss position less than 12 months, unrealized losses |
(137,000) |
(74,000) |
| Securities in a loss position for more than 12 Months, fair value |
0 |
205,000 |
| Securities in a loss position for more than 12 Months, unrealized losses |
0 |
(2,000) |
| Total fair value |
19,430,000 |
17,784,000 |
| Total unrealized losses |
(137,000) |
(76,000) |
|
US Government Agencies [Member] | More than ten years [Member]
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
14,500,000 |
2,000,000 |
| Amortized cost |
16,985,000 |
2,000,000 |
| Gross unrealized gains |
31,000 |
1,000 |
| Gross unrealized losses |
(62,000) |
0 |
| Estimated fair value |
16,953,000 |
2,001,000 |
| Average yield (in hundredths) |
2.57% |
3.81% |
|
Mortgage-backed securities [Member]
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
2,068,000 |
19,881,000 |
| Amortized cost |
2,177,000 |
20,632,000 |
| Gross unrealized gains |
2,000 |
220,000 |
| Gross unrealized losses |
(17,000) |
(49,000) |
| Estimated fair value |
2,162,000 |
20,803,000 |
| Average yield (in hundredths) |
0.80% |
1.83% |
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Securities in a loss position less than twelve months, fair value |
1,979,000 |
10,221,000 |
| Securities in a loss position less than 12 months, unrealized losses |
(17,000) |
(47,000) |
| Securities in a loss position for more than 12 Months, fair value |
0 |
205,000 |
| Securities in a loss position for more than 12 Months, unrealized losses |
0 |
(2,000) |
| Total fair value |
1,979,000 |
10,426,000 |
| Total unrealized losses |
(17,000) |
(49,000) |
|
Mortgage-backed securities [Member] | One to five years [Member]
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
|
11,000 |
| Amortized cost |
|
11,000 |
| Gross unrealized gains |
|
0 |
| Gross unrealized losses |
|
0 |
| Estimated fair value |
|
11,000 |
| Average yield (in hundredths) |
|
0.01% |
|
Mortgage-backed securities [Member] | More than ten years [Member]
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
2,068,000 |
19,870,000 |
| Amortized cost |
2,177,000 |
20,621,000 |
| Gross unrealized gains |
2,000 |
220,000 |
| Gross unrealized losses |
(17,000) |
(49,000) |
| Estimated fair value |
2,162,000 |
20,792,000 |
| Average yield (in hundredths) |
0.80% |
1.83% |
|
Other investments [Member] | More than ten years [Member]
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
|
7,356,000 |
| Amortized cost |
|
7,386,000 |
| Gross unrealized gains |
|
0 |
| Gross unrealized losses |
|
(27,000) |
| Estimated fair value |
|
7,359,000 |
| Average yield (in hundredths) |
|
0.55% |
|
US Treasuries [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Securities in a loss position less than twelve months, fair value |
9,132,000 |
7,358,000 |
| Securities in a loss position less than 12 months, unrealized losses |
(62,000) |
(27,000) |
| Securities in a loss position for more than 12 Months, fair value |
0 |
0 |
| Securities in a loss position for more than 12 Months, unrealized losses |
0 |
0 |
| Total fair value |
9,132,000 |
7,358,000 |
| Total unrealized losses |
(62,000) |
(27,000) |
|
US Treasuries [Member] | Five to ten years [Member]
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|
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| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
3,000,000 |
|
| Amortized cost |
2,973,000 |
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| Gross unrealized gains |
24,000 |
|
| Gross unrealized losses |
0 |
|
| Estimated fair value |
2,997,000 |
|
| Average yield (in hundredths) |
1.73% |
|
|
Municipals [Member]
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|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
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| Par value |
9,780,000 |
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| Amortized cost |
11,353,000 |
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| Gross unrealized gains |
9,000 |
|
| Gross unrealized losses |
(58,000) |
|
| Estimated fair value |
11,304,000 |
|
| Average yield (in hundredths) |
2.81% |
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Securities in a loss position less than twelve months, fair value |
8,319,000 |
|
| Securities in a loss position less than 12 months, unrealized losses |
(58,000) |
|
| Securities in a loss position for more than 12 Months, fair value |
0 |
|
| Securities in a loss position for more than 12 Months, unrealized losses |
0 |
|
| Total fair value |
8,319,000 |
|
| Total unrealized losses |
(58,000) |
|
|
Municipals [Member] | One to five years [Member]
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|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
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| Par value |
1,000,000 |
|
| Amortized cost |
1,105,000 |
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| Gross unrealized gains |
0 |
|
| Gross unrealized losses |
(20,000) |
|
| Estimated fair value |
1,085,000 |
|
| Average yield (in hundredths) |
3.25% |
|
|
Municipals [Member] | Five to ten years [Member]
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|
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| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Par value |
1,500,000 |
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| Amortized cost |
1,748,000 |
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| Gross unrealized gains |
1,000 |
|
| Gross unrealized losses |
0 |
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| Estimated fair value |
1,749,000 |
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| Average yield (in hundredths) |
2.33% |
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Municipals [Member] | More than ten years [Member]
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| Schedule of Available-for-sale Securities [Line Items] |
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| Par value |
7,280,000 |
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| Amortized cost |
8,500,000 |
|
| Gross unrealized gains |
8,000 |
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| Gross unrealized losses |
(38,000) |
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| Estimated fair value |
$ 8,470,000 |
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| Average yield (in hundredths) |
2.86% |
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