Investment, Restructuring and Acquisition Activities Investment, Restructuring and Acquisition Activities - Merger Agreement (Details) $ / shares in Units, $ in Millions	Apr. 28, 2016 USD ($)	Jul. 20, 2015 USD ($) extension_period $ / shares	Mar. 31, 2016 $ / shares	Dec. 31, 2015 $ / shares
Restructuring and Related Activities [Line Items]
Common stock, par value per share (in dollars per share) | $ / shares		$ 0.10	$ 0.10	$ 0.10
Master Lease
Restructuring and Related Activities [Line Items]
Initial lease term		10 years
Number of renewal options | extension_period		5
Lease term in renewal periods		5 years
First annual rent payment		$ 377.0
Gaming and Leisure Properties, Inc.
Restructuring and Related Activities [Line Items]
Common stock, par value per share (in dollars per share) | $ / shares		$ 0.01
Common stock conversion ratio		0.85
Subsequent Event
Restructuring and Related Activities [Line Items]
OpCo cash payment	$ 808.4
Principal amount of debt to be refinanced by GLPI	$ 2,700.0