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Debt - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2017
$500 Million Term Loan B [Member] |
Debt Instrument [Line Items] |
Percentage of amortization of original principal balance | 1.00%

X
- Definition Percentage Of Amortization Of Principal Amount Of Term Loan Facility + References No definition available. + Details
Name: | rhp_PercentageOfAmortizationOfPrincipalAmountOfTermLoanFacility
Namespace Prefix: | rhp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=rhp_FiveHundredMillionTermLoanBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |