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Stock-Based Compensation (Schedule Of Employee Stock Purchase Program) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| ESPP shares purchased | 7,710 | 8,420 | 10,784 |
| Compensation expense recognized | $ 256 | $ 292 | $ 270 |
| Employee Stock Purchase Plan [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| ESPP shares purchased | 7,710 | 8,420 | 10,784 |
| Average purchase price per share (85% of market value) | $ 16.776 | $ 13.386 | $ 8.969 |
| Compensation expense recognized | $ 32 | $ 26 | $ 24 |