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v3.20.2

Equity (Details 2) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |
Common stock, shares authorized (in shares) | 280,000,000 |  | 280,000,000
Preferred stock, shares authorized (in shares) | 50,000,000 |  | 50,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 1,902 |  |
Common stock issued through the dividend reinvestment plan (in shares) | 1,183 | 1,092 |
Number of shares of stock grants withheld (in shares) | 73,089 | 75,195 |
Stock Issued During Period, Shares, Employee Stock Purchase Plans | 8,686 |  |
Stock issued during period, shares, share-based compensation, forfeited (in shares) | 4,050 |  |
Continuous Equity Program CEP V [Member] |  |  |
Class of Stock [Line Items] |  |  |
Maximum value of shares of common stock that can be sold (in dollars) | $ 1,000,000,000 |  |
Common stock value, remaining to be authorized under continuous equity program | $ 752,878,000 |  |
Maximum | Continuous Equity Program CEP V [Member] |  |  |
Class of Stock [Line Items] |  |  |
Percentage of compensation received by sales agent | 1.50% |  |
Restricted Stock and Restricted Stock Converted From Performance Shares |  |  |
Class of Stock [Line Items] |  |  |
Equity instruments granted (in shares) | 164,526 | 150,359 |

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