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Subsequent Events (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 0 Months Ended
--- | --- | ---
Oct. 31, 2013 | May 31, 2012 | Jun. 30, 2009 | Nov. 04, 2014 Subsequent Event [Member]
Subsequent Event [Line Items] |  |  |  |
Common stock sold through the equity offering program (in shares) | 1.3 | 1.0 | 0.1 | 0.3
Net proceeds from sale of common stock under equity offering program |  |  |  | $ 0.4
Remaining amount available in equity offering program |  |  |  | $ 40.0

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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 + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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