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Net Loss Per Share (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The table below provides a reconciliation of the numerators and denominators of basic and diluted net loss per share for the years ended December 31, 2021, 2020 and 2019 (in thousands, except per share amounts):
Year Ended
December 31,
202120202019
Numerators:
Net loss$(63,993)$(468,383)$(231,808)
Less: Income attributable to unvested restricted stock awards— — — 
Numerator for basic net loss per share(63,993)(468,383)(231,808)
Effect of dilutive securities:
Unvested restricted stock awards— — — 
Numerator for diluted net loss per share$(63,993)$(468,383)$(231,808)
Denominators:
Weighted average number of common shares outstanding61,314 60,953 60,424 
Less: Weighted average number of unvested restricted stock awards outstanding(1,021)(1,141)(1,045)
Denominator for basic and diluted net loss per share60,293 59,812 59,379 
Net loss per share:
Basic$(1.06)$(7.83)$(3.90)
Diluted(1.06)(7.83)(3.90)