Summary of Significant Accounting Policies (Revenue Recognition and Promotional Allowances) (Narrative) (Details) - Jun. 30, 2015 - property	Total
Revenue Recognition and Promotional Allowances
Number of real estate properties	19
All Properties Under Master Lease, Except Hollywood Casino Columbus and Hollywood Casino Toledo
Revenue Recognition and Promotional Allowances
Frequency property performance-based rent structure is adjusted under the Master Lease	5 years
Percentage of the average change in net revenues of facilities under the Master Lease during the preceding five years used to compute the performance based component of rent	4.00%
Period used in calculation of the average change in net revenues	5 years
Hollywood Casino Columbus and Hollywood Casino Toledo
Revenue Recognition and Promotional Allowances
Percentage of the change in net revenues of all facilities under the Master Lease during the preceding month used for adjustment in rent structure	20.00%
Properties Not Subject To Master Lease Agreement
Revenue Recognition and Promotional Allowances
Number of real estate properties	1
Penn National Gaming Inc
Revenue Recognition and Promotional Allowances
Number of real estate properties	18
Annual rent escalator	2.00%
Casino Queen
Revenue Recognition and Promotional Allowances
Annual rent escalator	2.00%
Frequency property performance-based rent structure is adjusted under the Master Lease	5 years
Percentage of the average change in net revenues of facilities under the Master Lease during the preceding five years used to compute the performance based component of rent	4.00%
Period used in calculation of the average change in net revenues	5 years

GLP Capital, L.P. 10-Q