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Deferred Management Rights Proceeds - Additional Information (Detail) - USD ($) $ in Millions |  | 6 Months Ended
--- | --- | ---
Oct. 01, 2012 | Jun. 30, 2018
Real Estate [Abstract] |  |
Sales price of management rights and intellectual property | $ 210.0 |
Purchase price to the Management Rights | 190.0 |
Purchase price IP Rights | $ 20.0 |
Term of management rights for income amortization |  | 65 years

X
- Definition Amount received from manager and allocated to intellectual property rights per purchase price allocation. + References No definition available. + Details
Name: | rhp_PurchasePriceAllocationIntellectualPropertyRight
Namespace Prefix: | rhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount received from manager and allocated to management rights per purchase price allocation. + References No definition available. + Details
Name: | rhp_PurchasePriceAllocationManagementRight
Namespace Prefix: | rhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount received from manager in exchange for management rights and intellectual property. + References No definition available. + Details
Name: | rhp_SalesPriceOfManagementRightsAndIntellectualProperty
Namespace Prefix: | rhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of years, including renewal options, of management agreement. The amount of purchase price allocated to management rights was deferred and is amortized on a straight-line basis over this period. + References No definition available. + Details
Name: | rhp_TermOfManagementRightsForIncomeAmortization
Namespace Prefix: | rhp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration