XML 46 R36.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Basis of Presentation - Subsidiaries (Details) | Sep. 30, 2018
--- | ---
Accounting Policies [Abstract] |
Percentage of owned subsidiaries | 100.00%

X
- Definition Percent of subsidiary owned by parent company. + References No definition available. + Details
Name: | rhp_PercentOwnedSubsidiaries
Namespace Prefix: | rhp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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