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FEDERAL INCOME TAXES Tax Status of Dividends (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Required Distribution Rate to Maintain REIT Status (in percent)	90.00%
Ordinary income	68.00%	69.00%	87.00%
Qualified dividend	0.00%	0.00%	0.00%
Capital gain	32.00%	31.00%	13.00%
Total	100.00%	100.00%	100.00%

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- Definition

Allocation Of Dividends, Capital Gain, Percent

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Allocation Of Dividends, Ordinary Income, Percent

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Allocation of Dividends, Percent

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Allocation Of Dividends, Qualified Dividend, Percent

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Required Distribution Rate to Maintain REIT Status

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