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FEDERAL INCOME TAXES Tax Status of Dividends (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Contingency [Line Items] |  |  |
Required Distribution Rate to Maintain REIT Status (in percent) | 90.00% |  |
Ordinary income | 63.00% | 75.00% | 100.00%
Qualified dividend | 0.00% | 22.00% | 0.00%
Capital gain | 37.00% | 3.00% | 0.00%
Total | 100.00% | 100.00% | 100.00%

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- Details
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