XML 78 R49.htm IDEA: XBRL DOCUMENT

Income Taxes Distributions paid (Details) (USD $)	12 Months Ended
Income Taxes Distributions paid (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Common Shares [Member]
Class of Stock [Line Items]
Ordinary Income Per Share	$ 0.9108	$ 0.6000	$ 0.4391
Percentage of Ordinary Income	100.00%	100.00%	91.49%
Capital Gain Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Capital Gain	0.00%	0.00%	0.00%
Return of Capital Per Share	$ 0.0000	$ 0.0000	$ 0.0409
Percentage of Return of Capital	0.00%	0.00%	8.51%
Distributions Paid Per Share on a Tax Basis	$ 0.9108	$ 0.6000	$ 0.4800
Percentage of Distributions Paid Per Share on a Tax Basis	100.00%	100.00%	100.00%
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary Income Per Share	$ 2.3948	$ 2.0349	$ 1.7622
Percentage of Ordinary Income	100.00%	100.00%	100.00%
Capital Gain Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Capital Gain	0.00%	0.00%	0.00%
Return of Capital Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Return of Capital	0.00%	0.00%	0.00%
Distributions Paid Per Share on a Tax Basis	$ 2.3948	$ 2.0349	$ 1.7622
Percentage of Distributions Paid Per Share on a Tax Basis	100.00%	100.00%	100.00%
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary Income Per Share	$ 2.4328	$ 2.0672	$ 1.7902
Percentage of Ordinary Income	100.00%	100.00%	100.00%
Capital Gain Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Capital Gain	0.00%	0.00%	0.00%
Return of Capital Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Return of Capital	0.00%	0.00%	0.00%
Distributions Paid Per Share on a Tax Basis	$ 2.4328	$ 2.0672	$ 1.7902
Percentage of Distributions Paid Per Share on a Tax Basis	100.00%	100.00%	100.00%
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary Income Per Share	$ 1.9767	$ 0.9890	$ 0.0000
Percentage of Ordinary Income	100.00%	100.00%	0.00%
Capital Gain Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Capital Gain	0.00%	0.00%	0.00%
Return of Capital Per Share	$ 0.0000	$ 0.0000	$ 0.0000
Percentage of Return of Capital	0.00%	0.00%	0.00%
Distributions Paid Per Share on a Tax Basis	$ 1.9767	$ 0.9890	$ 0.0000
Percentage of Distributions Paid Per Share on a Tax Basis	100.00%	100.00%	0.00%