XML 116 R68.htm IDEA: XBRL DOCUMENT v3.19.3
Related Party Transactions - Amounts Due from Related Parties (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Tax Allocation Agreement | American Entertainment Properties Corporation    
Related Party Transaction [Line Items]    
Amounts due from related parties $ 0 $ 4