Employee Benefit Plans (Stock Options Outstanding And Exercisable) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
No. of Options Outstanding	173,601
Aggregate Intrinsic Value	$ 1,922
No. of Options Currently Exercisable	76,832
Aggregate Intrinsic Value of Options Currently Exercisable	642
Ranges Of Exercise Prices 26.62 - 33.90 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
No. of Options Outstanding	58,750
Weighted-Average Exercise Price	$ 30.23
Weighted Average Remaining Contractual Life, Outstanding	57 months
Aggregate Intrinsic Value	946
No. of Options Currently Exercisable	10,332
Weighted-Average Exercise Price of Options Currently Exercisable	$ 30.52
Weighted Average Remaining Contractual Life, Exercisable	21 months
Aggregate Intrinsic Value of Options Currently Exercisable	163
Ranges Of Exercise Prices 26.62 - 33.90 [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ranges Of Exercise Prices	$ 26.62
Ranges Of Exercise Prices 26.62 - 33.90 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ranges Of Exercise Prices	$ 33.90
Ranges Of Exercise Prices 35.09 - 40.88 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
No. of Options Outstanding	114,851
Weighted-Average Exercise Price	$ 37.83
Weighted Average Remaining Contractual Life, Outstanding	63 months
Aggregate Intrinsic Value	976
No. of Options Currently Exercisable	66,500
Weighted-Average Exercise Price of Options Currently Exercisable	$ 39.13
Weighted Average Remaining Contractual Life, Exercisable	37 months
Aggregate Intrinsic Value of Options Currently Exercisable	$ 479
Ranges Of Exercise Prices 35.09 - 40.88 [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ranges Of Exercise Prices	$ 35.09
Ranges Of Exercise Prices 35.09 - 40.88 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ranges Of Exercise Prices	$ 40.88

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

+ References

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Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

+ References

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-Publisher FASB

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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-Publisher FASB

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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