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Net Income (Loss) per Share - Additional Information (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Effect of dilutive securities - Convertible Notes (in shares)   30,093,312 28,533,271 30,093,312
RSU        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Effect of dilutive securities - Convertible Notes (in shares) 2,026,918      
Unvested RSUs excluded from calculation of diluted net income per share (in shares)   1,847,860 2,017,080 1,846,173