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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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| Significant Accounting Policies [Line Items] |
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| Number of days for accrual of interest on the payment of principal or interest |
90 days |
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| Foreclosed real estate, net of allowance |
$ 2,542,000 |
$ 4,068,000 |
| Excess capital stock percent repurchase amount of member's total capital stock outstanding |
5.00% |
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| Cash surrender value of the underlying policies |
23,296,000 |
21,491,000 |
| Village Court [Member] |
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| Significant Accounting Policies [Line Items] |
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| Percent limited partner interest in a real estate joint venture |
73.47% |
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| Number of units in affordable housing complex |
60 |
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| Investment balance |
$ 0 |
$ 208,000 |
| Minimum [Member] | Buildings and Improvements [Member] |
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| Significant Accounting Policies [Line Items] |
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| Estimated useful lives |
P7Y |
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| Minimum [Member] | Furniture and Equipment [Member] |
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| Significant Accounting Policies [Line Items] |
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| Estimated useful lives |
P3Y |
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| Minimum [Member] | Computer Equipment And Software [Member] |
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| Significant Accounting Policies [Line Items] |
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| Estimated useful lives |
P3Y |
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| Maximum [Member] | Buildings and Improvements [Member] |
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| Significant Accounting Policies [Line Items] |
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| Estimated useful lives |
P40Y |
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| Maximum [Member] | Furniture and Equipment [Member] |
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| Significant Accounting Policies [Line Items] |
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| Estimated useful lives |
P20Y |
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| Maximum [Member] | Computer Equipment And Software [Member] |
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| Significant Accounting Policies [Line Items] |
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| Estimated useful lives |
P7Y |
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