Income Taxes (Details 3) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Series A Preferred Stock [Member]
Income Taxes [Line Items]
Capital Gains (in dollars per share)	$ 1.23	$ 0	$ 0
Capital Gains, Percent	63.07692%	0.00%	0.00%
Dividend income (in dollars per share)	$ 0.72	$ 0	$ 0
Dividend income, percent	36.92308%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0	$ 1.95	$ 1.95
Return of capital, percent	0.00%	100.00%	100.00%
Dividends paid (in dollars per share)	$ 1.95000	$ 1.95000	$ 1.95000
Dividends paid, percent	100.00%	100.00%	100.00%
Series C Preferred Stock [Member]
Income Taxes [Line Items]
Capital Gains (in dollars per share)	$ 0.63	$ 0	$ 0
Capital Gains, Percent	63.00%	0.00%	0.00%
Dividend income (in dollars per share)	$ 0.37	$ 0	$ 0
Dividend income, percent	37.00%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0	$ 2.00	$ 2.00
Return of capital, percent	0.00%	100.00%	100.00%
Dividends paid (in dollars per share)	$ 1.000	$ 2.000	$ 2.000
Dividends paid, percent	100.00%	100.00%	100.00%
Common Stock [Member]
Income Taxes [Line Items]
Capital Gains (in dollars per share)	$ 0	$ 0	$ 0
Capital Gains, Percent	0.00%	0.00%	0.00%
Dividend income (in dollars per share)	$ 0	$ 0	$ 0
Dividend income, percent	0.00%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0.16	$ 0.08	$ 0
Return of capital, percent	100.00%	100.00%	0.00%
Dividends paid (in dollars per share)	$ 0.16000	$ 0.08000	$ 0
Dividends paid, percent	100.00%	100.00%	0.00%