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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | The Company's benefit (provision) for income taxes for the years ended December 31, 2012, 2011 and 2010 is summarized as follows:
| 2012 |  | 2011 |  | 2010
Current: |  |  |  |  |
Federal | $ | (371 | ) |  | $ | (440 | ) |  | $ | — |
State and local | (1,157 | ) |  | (1,080 | ) |  | (1,072 | )
NOL utilized | 401 |  |  | 566 |  |  | — |
Deferred: |  |  |  |  |
Federal | 141 |  |  | 1,399 |  |  | (418 | )
State and local | 45 |  |  | 400 |  |  | (53 | )
| $ | (941 | ) |  | $ | 845 |  |  | $ | (1,543 | )
Statutory Accounting Practices Disclosure [Table Text Block] | The income tax benefit (provision) differs from the amount computed by applying the statutory federal income tax rate to pre-tax operating income as follows:
| 2012 |  | 2011 |  | 2010
Federal provision at statutory tax rate (34%) | $ | (573 | ) |  | $ | (580 | ) |  | $ | (388 | )
State and local taxes, net of federal benefit | (110 | ) |  | (100 | ) |  | (31 | )
Other | (258 | ) |  | 1,525 |  |  | (1,124 | )
| $ | (941 | ) |  | $ | 845 |  |  | $ | (1,543 | )
Summary of Average Taxable Nature of Dividends [Table Text Block] | A summary of the average taxable nature of the Company's common dividends for each of the years in the three-year period ended December 31, 2012, is as follows:
| 2012 |  | 2011 |  | 2010
Total dividends per share | $ | 0.525 |  |  | $ | 0.46 |  |  | $ | 0.40 |
Ordinary income | 95.68 | % |  | 47.33 | % |  | 99.11 | %
15% rate - qualifying dividend | 0.99 | % |  | 1.11 | % |  | 0.89 | %
15% rate gain | — |  |  | — |  |  | — |
25% rate gain | — |  |  | — |  |  | — |
Return of capital | 3.33 | % |  | 51.56 | % |  | — | %
| 100.00 | % |  | 100.00 | % |  | 100.00 | %
A summary of the average taxable nature of the Company's dividend on shares of its Series B Preferred for each of the years in the three-year period ended December 31, 2012, is as follows:
| 2012 |  | 2011 |  | 2010
Total dividends per share | $ | 1.341667 |  |  | $ | 2.0125 |  |  | $ | 2.0125 |
Ordinary income | 98.98 | % |  | 97.70 | % |  | 99.11 | %
15% rate - qualifying dividend | 1.02 | % |  | 2.30 | % |  | 0.89 | %
15% rate gain | — |  |  | — |  |  | — |
25% rate gain | — |  |  | — |  |  | — |
| 100.00 | % |  | 100.00 | % |  | 100.00 | %
A summary of the average taxable nature of the Company's dividend on shares of its Series C Preferred for each of the years in the three-year period ended December 31, 2012, is as follows:
| 2012 |  | 2011 |  | 2010
Total dividends per share | $ | 3.25 |  |  | $ | 3.25 |  |  | $ | 3.25 |
Ordinary income | 98.98 | % |  | 97.70 | % |  | 99.11 | %
15% rate - qualifying dividend | 1.02 | % |  | 2.30 | % |  | 0.89 | %
15% rate gain | — |  |  | — |  |  | — |
25% rate gain | — |  |  | — |  |  | — |
Return of capital | — |  |  | — |  |  | — |
| 100.00 | % |  | 100.00 | % |  | 100.00 | %
A summary of the average taxable nature of the Company's dividend on shares of its Series D Cumulative Redeemable Preferred Stock for the years in the three-year period ended December 31, 2012, is as follows:
| 2012 |  | 2011 |  | 2010
Total dividends per share | $ | 1.8875 |  |  | $ | 1.76498 | (1) |  | $ | 2.01002 | (1)
Ordinary income | 98.98 | % |  | 97.70 | % |  | 99.11 | %
15% rate - qualifying dividend | 1.02 | % |  | 2.30 | % |  | 0.89 | %
15% rate gain | — |  |  | — |  |  | — |
25% rate gain | — |  |  | — |  |  | — |
| 100.00 | % |  | 100.00 | % |  | 100.00 | %
_________ (1)Of the total dividend paid in January 2011, $0.12252 is allocated to 2010 and $0.349355 is allocated to 2011.

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- Definition Summary of Average Taxable Nature of Dividends [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 740 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 9 -Section 50 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 740 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 12 -Section 50 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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