Related Party Transactions - Narrative (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2017	Oct. 05, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Dividends declared, not paid	$ 0		$ 137,149,000	$ 116,503,000
Defined contribution plan, vesting period			5 years
Caesars Entertainment Outdoor
Related Party Transaction [Line Items]
Dividends declared, not paid		$ 1,000,000			$ 1,232,000	$ 1,981,000
Caesars Entertainment Operating Company, Inc.
Related Party Transaction [Line Items]
Maximum annual contributions per employee, percent (up to)			50.00%
Employer matching contribution, amount (up to)			$ 600
Administrative expense		27,000			34,000	39,000
Accumulated Net Investment Gain (Loss) Attributable to Parent | Caesars Entertainment Outdoor
Related Party Transaction [Line Items]
Dividends declared, not paid		$ 1,000,000			$ 1,232,000	$ 1,981,000