Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v3.20.1
COMMITMENTS AND CONTINGENCIES (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 22, 2019
USD ($)
Mar. 31, 2020
USD ($)
office
Jun. 30, 2018
plaintiff
claim
Dec. 31, 2019
USD ($)
claim
Commitments and Contingencies Disclosure [Line Items]        
Maximum potential future payments   $ 0    
Maximum        
Commitments and Contingencies Disclosure [Line Items]        
Debt instrument, term (or less)   1 year    
Georgia        
Commitments and Contingencies Disclosure [Line Items]        
Pending claims | claim       4
Number of claims combined into a single claim | claim     3  
Canada        
Commitments and Contingencies Disclosure [Line Items]        
Pending claims | claim       8
Pending national class actions | claim       6
Number of plaintiffs | plaintiff     19,000  
Cybersecurity Incident        
Commitments and Contingencies Disclosure [Line Items]        
Loss related to settlement $ 380,500,000      
Number of state attorneys general offices company is in cooperation with | office   48    
Litigation settlement, additional contributions for unreimbursed costs and expenses 125,000,000.0      
Cybersecurity Incident | MSAG Group        
Commitments and Contingencies Disclosure [Line Items]        
Litigation settlement, additional contributions for unreimbursed costs and expenses 180,500,000      
Cybersecurity Incident | CFPB        
Commitments and Contingencies Disclosure [Line Items]        
Litigation settlement, penalties paid 100,000,000.0      
Cybersecurity Incident | NYDFS        
Commitments and Contingencies Disclosure [Line Items]        
Litigation settlement, penalties paid 10,000,000.0      
Cybersecurity Incident | Maximum        
Commitments and Contingencies Disclosure [Line Items]        
Litigation settlement expense $ 80,500,000      
Letter of Credit        
Commitments and Contingencies Disclosure [Line Items]        
Outstanding guarantees   $ 0    
Other Current Liabilities | Cybersecurity Incident        
Commitments and Contingencies Disclosure [Line Items]        
Loss related to settlement       $ 800,900,000