Basis of Presentation - Ownership in Joint Ventures (Details)	Dec. 31, 2018	Sep. 30, 2018	Mar. 31, 2018
Gaylord Rockies [Member]
Schedule of Equity Method Investments [Line Items]
Equity interest (as a percent)		35.00%
Gaylord Rockies [Member] | Scenario, Forecast [Member]
Schedule of Equity Method Investments [Line Items]
Equity interest (as a percent)	62.30%
Opry City Stage [Member]
Schedule of Equity Method Investments [Line Items]
Equity interest (as a percent)			50.00%