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v3.21.2

Common Equity Automatic Dividend Reinvestment and Stock Purchase Plan (Details) - shares | 3 Months Ended | 6 Months Ended
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Jun. 30, 2021 | Jun. 30, 2021
Automatic Dividend Reinvestment and Stock Purchase Plan [Member] |  |
Stock Issued During Period, Shares, New Issues | 0 | 0

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