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Stockholders' Equity and Stock Incentive Plans (Classification of Costs) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Dividends Declared	$ 0.23	$ 0.15	$ 0
Share-based compensation expense	$ (25,379)	$ (17,413)	$ (15,518)
Gaming
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(490)	(363)	(428)
Food & beverage
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(94)	(69)	(82)
Room
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(44)	(33)	(39)
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(2,488)	(1,846)	(2,176)
Corporate expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(22,263)	(15,102)	(12,793)
Stock Options
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(154)	(1,193)	(1,974)
Restricted Stock Units (RSUs)
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(10,219)	(7,463)	(8,883)
Performance Stock Units (PSUs)
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	(13,647)	(7,381)	(3,353)
Career Shares
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	$ (1,359)	$ (1,376)	$ (1,308)

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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Aggregate dividends declared during the period for each share of common stock outstanding.

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