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Summary of Significant Accounting Policies (Basic and Diluted Weighted Average Common Shares Outstanding) (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Earnings Per Share [Abstract]        
Basic weighted-average common shares outstanding 64,952,093 63,911,481 64,622,332 63,578,121
Diluted weighted-average common shares outstanding 64,952,093 63,911,481 64,622,332 63,578,121