Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Summary of Stock Option Transactions (Details)

v3.8.0.1
Share-Based Compensation - Summary of Stock Option Transactions (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding, beginning balance (in shares) 0  
Granted (in shares) 2,015,000 0
Exercised (in shares) 0 0
Forfeited or Expired (in shares) (4,000)  
Outstanding, ending balance (in shares) 2,011,000 0
Exercisable (in shares) 0  
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) $ 0.00  
Granted (in dollars per share) 10.32  
Exercised (in dollars per share) 0.00  
Forfeited or Expired (in dollars per share) 10.32  
Outstanding, ending balance (in dollars per share) 10.32 $ 0.00
Exercisable (in dollars per share) $ 0.00