Organization and Summary of Significant Accounting Policies - Additional Information (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) property segment $ / shares shares	Mar. 31, 2015 shares	Apr. 28, 2016 $ / shares	Dec. 31, 2015 USD ($) $ / shares	Jul. 20, 2015 $ / shares
Accounting Policies [Line Items]
Number of casinos owned and operated | property	15
Common stock, par value per share (in dollars per share) | $ / shares	$ 0.10			$ 0.10	$ 0.10
Land not used in operations | $	$ 35.8
Share-based awards
Accounting Policies [Line Items]
Out-of-the-money share-based awards excluded from calculation of diluted earnings per share (in shares) | shares	1.1	1.4
Other accrued liabilities
Accounting Policies [Line Items]
Customer Loyalty Program liability | $	$ 27.0			$ 25.4
OpCo | Subsequent Event
Accounting Policies [Line Items]
Common stock conversion ratio			1
Common stock, par value per share (in dollars per share) | $ / shares			$ 0.01
Jackpot, Nevada
Accounting Policies [Line Items]
Number of casinos owned and operated | property	2
Number of operating segments | segment	1