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Shareholders' Equity (Schedule Of Dividends Declared) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Shareholders Equity Disclosure [Line Items]
Common stock	$ 0.200	$ 0.360	$ 0.270
Series A [Member]
Shareholders Equity Disclosure [Line Items]
Cumulative Redeemable Preferred Stock	$ 2.219	$ 2.219	$ 2.219
Series B [Member]
Shareholders Equity Disclosure [Line Items]
Cumulative Redeemable Preferred Stock	$ 0.906

X

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X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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- Definition

Aggregate dividends paid during the period for each share of preferred stock outstanding.

+ References

No definition available.

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