Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Deferred Revenues: Market Access Fees from Sports Wagering Agreements (Details)

v3.21.1
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Deferred Revenues: Market Access Fees from Sports Wagering Agreements (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Basis Of Presentation [Line Items]    
Liabilities in other accrued expenses $ 0.7 $ 0.8
Sports Wagering Agreements    
Basis Of Presentation [Line Items]    
Revenue term 10 years