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Net Income (Loss) per Share - Additional Information (Details) - shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Effect of dilutive securities - Convertible Notes (in shares) 28,533,271 30,093,312
RSU    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Unvested RSUs excluded from calculation of diluted net income per share (in shares) 2,007,242 1,849,564