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Earnings (Loss) Per Share - Additional Information (Details) - shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Anti-Dilutive Unvested Shares and Options    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive unvested shares, options and stock units 176,000 279,000