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Consolidated Statements of Equity (Parenthetical) - shares | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015
Balance (in units/ shares) | 99,390,234 | 94,661,381 | 98,498,651 | 94,531,512
Conversion of common units to common shares (in units/ shares) | 185,000 |  |  |
Share-based compensation issuance, net of redemptions (in units/shares) | 159,801 | 129,869 |  |
Common Shares |  |  |  |
Issuance of common units resulting from common shares issued under at-the-market program (in units) | 546,782 |  |  |

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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + 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 + Details
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