Income Taxes (Details 2) - $ / shares	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Common Stock
Income Taxes
Ordinary income (in dollars per share)	$ 0.661	$ 0.510	$ 0.100
Capital gain (in dollars per share)	0.749
Total (in dollars per share)	$ 1.410	$ 0.510	$ 0.100
Ordinary income (as a percent)	46.86%	100.00%	100.00%
Capital gain (as a percent)	53.14%
Total (as a percent)	100.00%	100.00%	100.00%
Series A Cumulative Redeemable Preferred Stock
Income Taxes
Ordinary income (in dollars per share)			$ 0.330
Total (in dollars per share)			$ 0.330
Ordinary income (as a percent)			100.00%
Total (as a percent)			100.00%
Series C Cumulative Convertible Redeemable Preferred Stock
Income Taxes
Ordinary income (in dollars per share)			$ 0.656
Total (in dollars per share)			$ 0.656
Ordinary income (as a percent)			100.00%
Total (as a percent)			100.00%
Series D Cumulative Redeemable Preferred Stock
Income Taxes
Ordinary income (in dollars per share)	$ 0.937	$ 2.000	$ 2.000
Capital gain (in dollars per share)	1.063
Total (in dollars per share)	$ 2.000	$ 2.000	$ 2.000
Ordinary income (as a percent)	46.86%	100.00%	100.00%
Capital gain (as a percent)	53.14%
Total (as a percent)	100.00%	100.00%	100.00%

Represents the amount of capital gain paid as a distribution for each share.

No definition available.

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Represents the percentage of capital gain paid as a distribution for each share.

No definition available.

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Represents the total amount of distributions paid for each share.

No definition available.

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Represents the total percentage of distributions paid for each share.

No definition available.

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No definition available.

Represents the amount of ordinary income paid as a distribution for each share.

No definition available.

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Represents the percentage of ordinary income paid as a distribution for each share.

No definition available.

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