Discontinued Operations And Assets Held For Sale (Results Of Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax (benefit)									$ 231	$ (9,634)	$ (32,303)
Loss from discontinued operations after income taxes	$ 0	$ 429	$ 0	$ 0	$ 932	$ (5,676)	$ (4,240)	$ (8,909)	$ 429	(17,893)	(60,026)
Discontinued Operating Companies [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Investment and other income										4,700	4,691
Total revenues										72,439	119,535
Compensation and benefits										4,503	19,534
Depreciation and amortization										5,208	8,919
Selling, general and other expenses										41,378	98,178
Total expenses										99,966	211,864
Loss from discontinued operations before income taxes										(27,527)	(92,329)
Income tax (benefit)										(9,634)	(32,303)
Loss from discontinued operations after income taxes										(17,893)	(60,026)
Discontinued Operating Companies [Member] | Gaming Entertainment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues										67,739	114,844
Direct operating expenses - Gaming entertainment										$ 48,877	$ 85,233