Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v3.21.2
Share-Based Compensation (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2021
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense | $ $ 1,500,000 $ 3,100,000
Unrecognized compensation expense | $ $ 201,300,000 $ 201,300,000
Performance-based Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of awards outstanding (in shares) 30,000,000.0 30,000,000.0
Share-based compensation expense | $   $ 0
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Antidilutive securities excluded from computation of loss per share amount (in shares)   30,000,000.0
Stock Options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Antidilutive securities excluded from computation of loss per share amount (in shares)   11,200,000
FID | Tranche one | Performance-based Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of awards outstanding (in shares) 9,700,000 9,700,000
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage   33.33%
FID | Tranche Two | Performance-based Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of awards outstanding (in shares) 19,300,000 19,300,000
Other criteria | Performance-based Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of awards outstanding (in shares) 1,000,000.0 1,000,000.0
2016 Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of common stock authorized for issuance (in shares) 40,000,000 40,000,000