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Equity - At-the-Market (ATM) Program (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended | 16 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016
Procceds from At-the-Market (ATM) program |  | $ 166,781 | $ 36,348 |
ATM |  |  |  |
Shares authorized | 12,000,000 |  |  |
Share issuances, net of costs (in shares) |  | 2,779,140 | 714,301 | 3,493,441
Procceds from At-the-Market (ATM) program |  | $ 166,800 | $ 36,300 | $ 203,100

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- Definition At The Market Equity Distribution Program, Authorized Shares The number of shares authorized by an entity's Board of Directors under their At-the-market equity distribution program. + References No definition available. + Details
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- Definition The cash inflow from the At-the-market stock purchase program. + References No definition available. + Details
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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=6928386&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 Reference 4: 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 + Details
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- Details
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