XML 128 R111.htm IDEA: XBRL DOCUMENT
v3.20.4

Pension Plans - Qualified and Non-Qualified Plans - Adjustments to Equity (Details) - Pension Plan [Member] - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Change in equity as a result of change in deferred net loss | $ (2.3) | $ 2.1 | $ (1.3)
Change in equity as result of change in deferred net loss taxes | $ 0.0 | $ 0.5 | $ (0.4)

X
- Definition Increase or decrease in equity as a result of the change in deferred net loss. + References No definition available. + Details
Name: | rhp_ChangeInEquityAsResultOfChangeInDeferredNetLoss
Namespace Prefix: | rhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Tax effect of the change in equity as a result of the change in deferred net loss. + References No definition available. + Details
Name: | rhp_ChangeInEquityAsResultOfChangeInDeferredNetLossTaxes
Namespace Prefix: | rhp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |