Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE (Outstanding Options Summary) (Details)

v3.19.1
EQUITY AND EARNINGS PER SHARE (Outstanding Options Summary) (Details) - $ / shares
1 Months Ended
Nov. 30, 2018
Mar. 31, 2019
Dec. 31, 2018
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   8,436,931  
Weighted average strike price (in dollars per share)   $ 3.72 $ 3.72
Held by the former Manager      
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   2,705,253  
Issued to the former Manager and subsequently transferred to certain of the Manager’s employees      
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   2,304,990  
Issued to the former Manager and subsequently transferred to certain of the Manager’s employees | February 2017      
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   1,152,495  
Issued to the former Manager and subsequently transferred to certain of the Manager’s employees | April 2018      
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   1,152,495  
Issued to the independent directors      
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   333  
Drive Shake employees      
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   3,426,355  
Stock options      
Related Party Transaction [Line Items]      
Vesting period (in years) 3 years    
Stock options | Tranche One      
Related Party Transaction [Line Items]      
Options granted (in shares) 3,351,355    
Stock options | Tranche Two      
Related Party Transaction [Line Items]      
Options granted (in shares) 75,000