|
Stock-Based Compensation Plans (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares authorized for issuance under the Plan |
600,000 |
|
|
| Compensation cost |
$ 187 |
$ 172 |
$ 164 |
| Service period |
3 years |
|
|
| Grant date fair value of shares granted, amount per share |
$ 28.96 |
$ 26.33 |
$ 25.00 |
| Stock options granted at percentage of fair value |
100.00% |
|
|
| Options granted |
0 |
0 |
0 |
| Intrinsic value of options exercised |
52 |
73 |
8 |
| Intrinsic value of options exercisable |
924 |
|
|
| Options exercisable, weighted average remaining term |
5 years 3 months 18 days |
|
|
| Cash received from exercise of stock options |
0 |
280 |
0 |
| Tax benefit from exercises of stock options |
8 |
20 |
1 |
|
2008 Stock Incentive Plan [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares authorized for issuance under the Plan |
600,000 |
|
|
| Shares available for future grants under the plan |
455,464 |
|
|
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2008 Compensation Plan For Non-Employee Directors And Trustees [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares authorized for issuance under the Plan |
150,000 |
|
|
| Shares available for future grants under the plan |
106,088 |
|
|
|
Restricted Stock [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares granted |
5,846 |
6,680 |
11,054 |
| Service period |
3 years |
|
|
|
Stock Options [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Service period |
3 years |
|
|
|
Current Outstanding Restricted Stock Awards [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Compensation cost |
237 |
|
|
|
Exercise Price Range $22.07 to $22.93 [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Exercise price range, options outstanding |
77,000 |
|
|
| Options exercise price range, lower range limit |
$ 22.07 |
|
|
| Options exercise price range, upper range limit |
$ 22.93 |
|
|
|
Exercise price range $26.63 [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Exercise price range, options outstanding |
10,000 |
|
|
| Options exercise price |
$ 26.63 |
|
|
|
Restricted Stock [Member] | Stock Options [Member]
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Compensation cost |
$ 187 |
$ 172 |
$ 164 |