Represents the number of monthly dividends paid during the period.

No definition available.

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- Definition

Aggregate dividends paid 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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- References

No definition available.

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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- References

No definition available.

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- Definition

Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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- Definition

Aggregate dividends paid during the period for each share of preferred stock outstanding.

+ References

No definition available.

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- Definition

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Publisher FASB
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-Topic 505
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-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21488-112644

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- Definition

Number of stock bought back by the entity at the exercise price or redemption price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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Distributions Paid and Payable (Details) $ / shares in Units, $ in Millions	1 Months Ended												3 Months Ended	6 Months Ended
	Jun. 30, 2017 $ / shares	May 31, 2017 $ / shares	Apr. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2017 $ / shares	Feb. 28, 2017 $ / shares	Jan. 31, 2017 $ / shares	Jun. 30, 2016 $ / shares	May 31, 2016 $ / shares	Apr. 30, 2016 $ / shares	Mar. 31, 2016 $ / shares	Feb. 29, 2016 $ / shares	Jan. 31, 2016 $ / shares	Mar. 31, 2017 USD ($) item $ / shares	Jun. 30, 2017 $ / shares	Jun. 30, 2016 USD ($) item $ / shares
Common stock
Distributions Paid and Payable - Common Stock
Dividends paid per common share (in dollars per share)	$ 0.2110000	$ 0.2110000	$ 0.2110000	$ 0.2105000	$ 0.2105000	$ 0.2025000	$ 0.1990000	$ 0.1990000	$ 0.1990000	$ 0.1985000	$ 0.1985000	$ 0.1910000		$ 1.2565000	$ 1.1850000
Monthly distributions payable (in dollars per share)	$ 0.2115													$ 0.2115
Class F Preferred Stock
Distributions Paid and Payable - Common Stock
Preferred stock redeemed (in shares) \| shares			16,350,000
Preferred stock, redemption price per share (in dollars per share)			$ 25
Number of monthly distributions paid \| item													3		6
Dividends paid per preferred share (in dollars per share)			$ 0.101215										$ 0.414063		$ 0.828126
Preferred stock dividends paid \| $			$ 1.7										$ 3.9		$ 13.5