Proceeds from Issuance of Common Stock, Net of Offering Costs

No definition available.

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- Definition

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

+ References

+ Details

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Amount per share or per unit of equity securities issued by non-development stage entity.

+ References

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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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=6928386&loc=d3e21463-112644

Reference 3: 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

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Stockholders' Equity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended			9 Months Ended		0 Months Ended						9 Months Ended	3 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jul. 28, 2014 Common Stock [Member]	Apr. 29, 2014 Common Stock [Member]	Feb. 26, 2014 Common Stock [Member]	Sep. 08, 2014 Series A Preferred Stock [Member]	Jun. 09, 2014 Series A Preferred Stock [Member]	Mar. 17, 2014 Series A Preferred Stock [Member]	Sep. 30, 2014 Series A Preferred Stock [Member]	Jun. 30, 2014 Follow-on Public Offering [Member] Common Stock [Member]
Class of Stock [Line Items]
Issuance of stock after completion of follow-on public offering													9,706,000
Price per share of newly issued common stock													$ 16.35
Proceeds from issuance of common stock as a result of follow-on public offering		$ 158,439
Dividend declared per share of common stock	$ 0.40		$ 0.40	$ 1.2	$ 1.2	$ 0.4	$ 0.4	$ 0.40
Dividend rate, preferred stock												8.625%
Dividend declared per share of preferred stock									$ 0.5391	$ 0.5391	$ 0.5391