v2.4.0.6

COMMITMENTS AND CONTINGENCIES (DETAILS 4) (USD $) | Dec. 31, 2011
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Common Shares [Member] |
Dividends Payable [Line Items] |
Dividend payable per share | $ 0.24
Series A 7.25% Preferred Shares [Member] |
Dividends Payable [Line Items] |
Dividend payable per share | $ 0.453125
Series B 7.5% Preferred Shares [Member] |
Dividends Payable [Line Items] |
Dividend payable per share | $ 1.875

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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration