Acquisitions And New Ventures (Details) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 16, 2014	Dec. 31, 2014	Oct. 28, 2014
Schedule of Equity Method Investments [Line Items]
Revenues	$ 0	$ 0
Tax refund due to Big Fish Games former equity holders	6,313,000			18,087,000
Goodwill, Purchase Accounting Adjustments	1,400,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes	800,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Expenses	2,200,000
Deferred payments to Big Fish Games former equity holders	12,700,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	(2,817,000)	(1,138,000)
Big Fish Games [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	91,900,000
Payments to Acquire Businesses, Gross			838,300,000
Future Business Acquisition, Cost Of Acquired Entity, Cash paid			401,700,000
Deferred Payment-Founder			85,300,000
Deferred Founders Payment,Time Payable				3 years
Deferred Payment-Founder, Fair Value			78,000,000
Tax refund due to Big Fish Games former equity holders			18,100,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned			15,800,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares				157,115
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			350,000,000
Business Combination, Contingent Consideration, Liability			324,700,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents			34,700,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	5,800,000
Saratoga Casino Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage					25.00%
Secured Debt [Member]
Schedule of Equity Method Investments [Line Items]
Other Loans Payable, Long-term, Noncurrent				$ 200,000,000
Gideon Putnam Hotel and Resort [Member] | Saratoga Casino Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage					50.00%