Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Detail)

v3.20.1
Share-Based Compensation (Detail)
3 Months Ended
Mar. 31, 2020
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based compensation expense | $ $ 700,000
Number of shares granted for bonus settlement 10,800,000
Severance and reorganization amount to be settled without cash, vesting of restricted stock (in shares) 2,200,000
Unrecognized compensation expense | $ $ 210,700,000
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) 38,200,000
Performance-based Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of share-based payment awards granted (in shares) 25,200,000
Share-based compensation expense | $ $ 0
Time-based Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of share-based payment awards granted (in shares) 13,000,000.0
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) 1,800,000
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
FID | Performance-based Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of awards to vest (in shares) 19,600,000
FID | Vesting tranche one | Performance-based Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 33.33%
Number of awards to vest (in shares) 5,000,000.0
Other criteria | Performance-based Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of awards to vest (in shares) 600,000