Proceeds from Issuance of Common Stock, Net of Offering Costs

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

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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- Definition

Face amount or stated value per share of common stock.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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- Definition

Per share amount of cumulative preferred dividends in arrears.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21488-112644

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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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21564-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21488-112644

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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- Definition

Per share or per unit amount of equity securities issued.

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No definition available.

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- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Stockholders' Equity (Detail) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended				9 Months Ended
	Sep. 14, 2017	Aug. 02, 2017	Jul. 03, 2017	Jun. 15, 2017	Mar. 14, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Class of Stock [Line Items]
Common stock, shares authorized (in shares)						450,000,000		450,000,000		450,000,000
Common stock, par value (in dollars per share)						$ 0.01		$ 0.01		$ 0.01
Preferred stock, shares authorized (in shares)						50,000,000		50,000,000		50,000,000
Preferred stock, par value (in dollars per share)						$ 0.01		$ 0.01		$ 0.01
Common stock, shares issued (in shares)						105,451,235		91,422,676		105,451,235
Common stock, shares outstanding (in shares)						105,451,235		91,422,676		105,451,235
Dividend declared per share of common stock (in dollars per share)						$ 0.46			$ 0.46	$ 1.38	$ 1.38
Proceeds from issuance of common stock as a result of follow-on public offering							$ 248,900	$ 177,796
Common Stock [Member]
Class of Stock [Line Items]
Dividend declared per share of common stock (in dollars per share)	$ 0.46			$ 0.46	$ 0.46
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)		3,450,000,000				0		3,450,000		0
Preferred stock, shares outstanding (in shares)						0		3,450,000		0
Dividend rate, preferred stock		8.625%
Preferred stock, redemption price (in dollars per share)		$ 25
Unpaid dividends (in dollars per share)		$ 0.1079
Dividend declared per share of preferred stock (in dollars per share)			$ 0.1079	0.5391	0.5391
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)						8,000,000		8,000,000		8,000,000
Preferred stock, shares outstanding (in shares)						8,000,000		8,000,000		8,000,000
Dividend rate, preferred stock										8.00%
Dividend declared per share of preferred stock (in dollars per share)	0.5000			0.5000	0.5000
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)						6,900,000		6,900,000		6,900,000
Preferred stock, shares outstanding (in shares)						6,900,000		6,900,000		6,900,000
Dividend rate, preferred stock										8.00%
Dividend declared per share of preferred stock (in dollars per share)	$ 0.5000			$ 0.5000	$ 0.5000
Common Stock [Member]
Class of Stock [Line Items]
New issuance of stock (shares)										13,800,000
Common Stock [Member] \| Follow On Public Offering [Member]
Class of Stock [Line Items]
New issuance of stock (shares)							13,800,000	10,500,000
Price per share of newly issued stock (in dollars per share)							$ 18.05	$ 16.97