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v3.25.4

Summary of Significant Accounting Policies (Concentration of Credit Risk) (Details) | Dec. 31, 2025 state property
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Cash and Cash Equivalents [Abstract] |
Number of facilities whose real estate property is included in entity portfolio | property | (69)
Number of states across which the portfolio of properties is diversified | state | 20

X
- Definition Represents the number of facilities whose real property is included in the entity's portfolio as of the balance sheet date. + References No definition available. + Details
Name: | glpi_NumberOfFacilitiesWhoseRealEstatePropertyIsIncludedInEntityPortfolio
Namespace Prefix: | glpi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant