Annual report pursuant to Section 13 and 15(d)

TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES - Narrative (Details)

v3.19.3.a.u2
TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Related Party Transaction [Line Items]      
Stock options outstanding (in shares)   6,898,346 8,436,931
Amount payable to aircraft operator for aircraft charter (less than) $ 0.1 $ 0.1 $ 0.1
Manager      
Related Party Transaction [Line Items]      
Termination payment $ 10.7    
Affiliates      
Related Party Transaction [Line Items]      
Number of shares owned by related party (in shares)   7,300,000  
Stock options outstanding (in shares)   3,600,000  
Rent expense   $ 0.2 1.1
Reimbursement of employee services   0.2  
Transition Services Agreement | Manager      
Related Party Transaction [Line Items]      
Expenses incurred   $ 0.1 $ 0.4