Stock Compensation Plans (Summary Of Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Options Outstanding [Roll Forward]
Outstanding, Shares	33	33	2
Shares granted	0	0	31
Exercised, Shares	0	0	0
Forfeited / expired, Shares	0	0	0
Outstanding, Shares	33	33	33
Exercisable, Shares	33
Options Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding, Weighted Average Exercise Price	$ 3,680.09	$ 3,680.09	$ 35,475.00
Granted, Weighted Average Exercise Price	$ 0.00	$ 0.00	$ 3,600.00
Exercised, Weighted Average Exercise Price	$ 0.00	$ 0.00	$ 0.00
Forfeited / expired, Weighted Average Exercise Price	$ 0.00	$ 0.00	$ 0.00
Outstanding, Weighted Average Exercise Price	$ 3,680.09	$ 3,680.09	$ 3,680.09
Exercisable, Weighted Average Exercise Price	$ 3,680.09
Outstanding, Weighted Average Remaining Contractual Term	7 years 2 months 1 day
Exercisable, Weighted Average Remaining Contractual Term	7 years 2 months 1 day

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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.

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Weighted average remaining contractual term for vested portions of options outstanding and currently 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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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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