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(Loss) Earnings Per Share - Schedule of Antidilutive Securities (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Stock options to purchase common stock      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Antidilutive securities excluded from computation of earnings per share (in shares) 583,469 560,547 362,392
Convertible preferred stock      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Antidilutive securities excluded from computation of earnings per share (in shares) 800,460 802,489 803,323