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Pro Forma Information (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Apr. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2014 property | Jun. 30, 2013
Pro Forma Information |  |  |  |
Number of properties acquired |  |  | 2 |
Aggregate purchase price properties, excluding closing costs |  |  | $ 1,158,078 |
Common shares issued in public offering | 15,525,000 | 15,525,000 |  |
Net proceeds after underwriting discounts from issuance of common shares issued in public offering | 323,318 | 323,318 | 322,864 | 261,813
Interest rate (as a percent) |  | 1.55% | 1.55% |
Net proceeds after underwriting discounts from sale of senior unsecured notes |  | 644,889 |  |
Pro forma results of operations |  |  |  |
Total revenues |  |  | 433,075 |
Net income |  |  | 73,469 |
Net income per share(in dollars per share) |  |  | $ 0.36 |
Senior unsecured notes 3.25% |  |  |  |
Pro Forma Information |  |  |  |
Face Amount |  | 400,000 | 400,000 |
Interest rate (as a percent) |  | 3.25% | 3.25% |
Senior unsecured notes 4.75% |  |  |  |
Pro Forma Information |  |  |  |
Face Amount |  | $ 250,000 | $ 250,000 |
Interest rate (as a percent) |  | 4.75% | 4.75% |

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