Stockholders' Equity (Details)	3 Months Ended
Mar. 31, 2017 $ / shares
Series A Cumulative Redeemable Preferred Stock
Stockholders' Equity
Dividends Payable, Date of Record	Apr. 17, 2017
Preferred stock dividend declared (per share)	$ 0.4531
Common Stock
Stockholders' Equity
Dividends Payable, Date of Record	Apr. 17, 2017
Common Stock dividend declared (per share)	$ 0.80

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Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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