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Subsequent Event (Details) - Series B Preferred Stock [Member] - USD ($) $ / shares in Units, $ in Millions	Apr. 05, 2017	Mar. 07, 2017	Apr. 26, 2016
Subsequent Event [Line Items]
Issuance of common stock (in shares)		2,000,000	290,850
Issuance of preferred stock (in dollars per share)		$ 20.19	$ 17.24
Proceeds from issuance of stock, net of discounts and expenses		$ 38.4	$ 4.2
Subsequent Event [Member]
Subsequent Event [Line Items]
Issuance of preferred stock (in dollars per share)	$ 20.19
Subsequent Event [Member] | Over-Allotment Option [Member]
Subsequent Event [Line Items]
Issuance of common stock (in shares)	100,000
Proceeds from issuance of stock, net of discounts and expenses	$ 1.9

X

- Definition

Proceeds from Issuance of Stock, Net of Discounts and Expenses

+ References

No definition available.

+ Details

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X

- Definition

Per share or per unit amount of equity securities issued.

+ References

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+ Details

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X

- 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 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: 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 3: 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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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Details

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