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Common Stock (Tables)
3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
Schedule of reconciliation of changes in common shares issued
A reconciliation of changes in common shares issued during the three months ended March 31, 2020 is as follows:
Shares issued at December 31, 2019
63,656,897

Issued as restricted stock award grants
681,190

Shares issued at March 31, 2020
64,338,087