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Earnings Per Share - Narrative (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Earnings Per Share [Abstract]        
Antidilutive securities excluded from computation of earning per share (in shares) 477 10,449 8,187 10,090