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Shareholders' Equity (Schedule Of Dividends) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Shareholders Equity Disclosure [Line Items] |  |  |
Common stock | $ 0.200 | $ 0.200 | $ 0.360
Series A [Member] |  |  |
Shareholders Equity Disclosure [Line Items] |  |  |
Cumulative Redeemable Preferred Stock |  | $ 2.219 | $ 2.219
Dividend rate percentage | 8.875% | 8.875% | 8.875%
Series B [Member] |  |  |
Shareholders Equity Disclosure [Line Items] |  |  |
Cumulative Redeemable Preferred Stock | $ 1.812 | $ 0.906 |
Dividend rate percentage | 7.25% | 7.25% | 7.25%

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- 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 + Details
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