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Earnings Per Share (Narrative) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Abstract]        
Anti-dilutive common shares excluded from computation of earnings per share amount 1,107,304 707,395 1,076,577 668,370